Mitsubishi Elevator Troubleshooting Basic Operation Procedures

1. Elevator Fault Investigation Basic Workflow

1.1 Kugamuchira Mhosva Mharidzo uye Kuunganidza Ruzivo

• Matanho Akakosha:

  • Gamuchira Mhosva dzeMhosva: Tora tsananguro dzekutanga kubva kubato rekuzivisa (mamaneja ezvivakwa, vafambi, nezvimwewo).

  • Kuunganidza Mashoko:

    • Rekodha kukanganisa kwezviitiko (semuenzaniso, "elevator inomira kamwe kamwe," "ruzha rusina kujairika").

    • Ziva nguva yechiitiko, kuwanda, uye mamiriro ekukonzeresa (semuenzaniso, uriri chaihwo, nguva dzenguva).

  • Information Verification:

    • Muchinjika-cheki tsananguro dzisiri dzehunyanzvi nehunyanzvi hwehunyanzvi.

    • Muenzaniso: "Elevator vibration" inogona kuratidza kusarongeka kwemagetsi kana kukanganiswa kwemagetsi.

---

1.2 On-Site Elevator Status Inspection

Rongedza chinzvimbo cheelevator muzvikamu zvitatu zvezviito zvakanangwa:

1.2.1 Elevator Haikwanisi Kushanda (Emergency Stop)

• Macheki Akakosha:

  • P1 Board Mhosva Codes:

    • Pakarepo rekodha iyo 7-segment kuratidza (semuenzaniso, "E5" yekutadza kukuru kwedunhu) isati yadzima (makodhi reset mushure mekurasikirwa kwesimba).

    • Shandisa MON inotenderera potentiometer kutora macode (semuenzaniso, isa MON ku "0" yeII-mhando maelevator).

  • Control Unit LEDs:

    • Simbisa chimiro chedhiraivha bhodhi LEDs, chengetedzo yedunhu zviratidzo, nezvimwe.

  • Safety Circuit Testing:

    • Kuyera voltage pamakiyi node (semuenzaniso, makiyi egonhi remuhoro, machinjiro ekugumira) uchishandisa multimeter.

1.2.2 Elevator Inoshanda Iine Mhosho

• Kuongorora Matanho:

  • Kudzoserwa Kwemhosva Yenhoroondo:

    • Shandisa makombiyuta ekugadzirisa kuti ubvise zvinyorwa zvinokanganisa (kusvika makumi matatu marekodhi).

    • Muenzaniso: Kakawanda "E35" (emergency stop) ine "E6X" (hardware fault) inoratidza encoder kana speed limiter nyaya.

  • Signal Monitoring:

    • Tevera zviratidzo zvekupinza/zvinobuda (semuenzaniso, mhinduro ye sensor yemusuwo, chimiro chebhureki) kuburikidza nemakomputa ekugadzirisa.

1.2.3 Elevator Kushanda Kazhinji (Latent Faults)

• Proactive Matanho:

  • Otomatiki Reset Zvikanganiso:

    • Tarisa zvinokonzeresa kudzivirira kana tembiricha sensors (semuenzaniso, yakachena inverter kutonhora mafeni).

  • Signal Interference:

    • Ongorora CAN bhazi terminal resistors (120Ω) uye nhovo pasi (kupokana

---

1.3 Kubata Mhosva uye Feedback Mechanism

1.3.1 Kana Mhosho Ikaramba iripo

• Zvinyorwa:

  • Zadzisa aMhaka Yekuongorora Chirevone:

    • ID yemudziyo (semuenzaniso, nhamba yechibvumirano "03C30802+").

    • Mhosva kodhi, yekuisa / kubuda chiratidzo chimiro (binary/hex).

    • Mifananidzo ye control panel LEDs/P1 board inoratidza.

  • Escalation:

    • Tumira matanda kune tsigiro yehunyanzvi yekuongororwa kwepamusoro.

    • Rongedza kutenga zvikamu zvakasara (taura G-nhamba, semuenzaniso, "GCA23090" yemamodule inverter).

1.3.2 Kana Mhosva Yakagadziriswa

• Post-Kugadzirisa Zviito:

  • Bvisa Mhosva Zvinyorwa:

    • Kune II-mhando elevator: Tangazve kugadzirisa makodhi.

    • Kune IV-mhando elevator: Shandisa kugadzirisa makomputa kuita "Fault Reset."

  • Mutengi Kukurukurirana:

    • Ipa mushumo wakadzama (semuenzaniso, "Fault E35 yakakonzerwa neoxidized hall door kick contacts; kurudzira lubrication yekota").

---

1.4. Zvishandiso zvinokosha uye Terminology

• P1 Board: Central control panel inoratidza kukanganisa kodhi kuburikidza ne7-chikamu maLEDs.

• MON Potentiometer: Rotary switch yekutora kodhi paII/III/IV-mhando elevators.

• Safety Circuit: Dunhu rakatevedzana-rakabatana rinosanganisira makiyi egonhi, magavhuna anomhanyisa, uye kumira kwekukurumidzira.

---

2. Core Troubleshooting Techniques

2.1 Resistance Kuyera Nzira

Chinangwa

Kuona kuenderera kwedunhu kana kuti insulation kuvimbika.

Maitiro

1. Power Off: Bvisa magetsi erifiti.

2. Multimeter Setup:

   • Kune analog multimeters: Seta kune yakaderera kuramba renji (semuenzaniso, × 1Ω) uye calibrate zero.

   • Kune madhijitari multimeters: Sarudza "Resistance" kana "Kuenderera mberi" maitiro.

3. Kuyera:

   • Isa probes kumativi ose maviri edunhu rinotarirwa.

   • Normal: Kupokana ≤1Ω (kuenderera kwakasimbiswa).

   • Mhosva: Resistance> 1Ω (yakavhurika dunhu) kana isingatarisirwe kukosha (kutadza kupinza).

Nyaya Yokudzidza

• Door Circuit Kukundikana:

  • Yakayerwa kuramba inosvetukira ku50Ω → Tarisa uone majoinisi ane oxidized kana waya dzakatyoka pamusuwo.

Yambiro

• Bvisa maparallel circuits kudzivirira kuverenga kwenhema.

• Usambofa wakayera masekete mhenyu.

---

2.2 Voltage Inogona Kuyera Method

Chinangwa

Tsvaga voltage anomalies (semuenzaniso, kurasikirwa kwesimba, kutadza kwechikamu).

Maitiro

1. Power On: Ita shuwa kuti lift ine simba.

2. Multimeter Setup: Sarudza DC/AC voltage modhi ine mutsara wakakodzera (semuenzaniso, 0-30V yekudzora maseketi).

3. Nhanho-ne-Nhanho Kuyera:

   • Tanga kubva kune simba sosi (semuenzaniso, transformer inobuda).

   • Trace voltage drop points (semuenzaniso, 24V control circuit).

   • Abnormal Voltage: Kamwe kamwe kudonha ku0V kunoratidza dunhu rakavhurika; hunhu husingaenderani hunoratidza kukundikana kwechikamu.

Nyaya Yokudzidza

• Brake Coil Kukundikana:

  • Input voltage: 24V (yakajairika).

  • Kubuda kwemagetsi: 0V → Tsiva iyo yakakanganiswa brake coil.

---

2.3 Nzira yekusvetuka newaya (Pfupi-Circuit).

Chinangwa

Kurumidza ziva maseketi akavhurika mune yakaderera-voltage chiratidzo nzira.

Maitiro

1. Ziva Dunhu Riri Kufungidzirwa: Eg, mutsara wechiratidzo chekuvhara gonhi (J17-5 kusvika J17-6).

2. Yenguva Yekusvetuka: Shandisa insulated waya kunzvenga inofungidzirwa kuvhurika rekiti.

3. Test Operation:

   • Kana lifti ikatangazve kushanda kwakajairika → Mhosho yakasimbiswa muchikamu chakapfuura.

Yambiro

• Madunhu Akarambidzwa: Usambofa mapfupi ekuchengetedza maseketi (semuenzaniso, emergency stop loops) kana mitsetse yakakwira-voltage.

• Kudzorerwa Pakarepo: Bvisa jumpers mushure mekuedzwa kuti udzivise njodzi dzekuchengetedza.

---

2.4 Insulation Resistance Comparison Method

Chinangwa

Tsvaga zvikanganiso zvepasi zvakavanzika kana kukanganisa kwekudzivirira.

Maitiro

1. Bvisa Zvikamu: Bvisa iyo inofungidzirwa module (semuenzaniso, bhodhi opareta yemusuwo).

2. Kuyera Insulation:

   • Shandisa 500V megohmmeter kuyedza kudzivirira kwewaya yega yega pasi.

   • Normal: >5MΩ.

   • Mhosva:

Nyaya Yokudzidza

• Yakadzokororwa Door Operator Burnout:

  • Insulation kuramba yemutsara wechiratidzo inodonha kusvika ku10kΩ → Tsiva tambo yakapfupikiswa.

---

2.5 Chikamu Replacement Method

Chinangwa

Simbisa zvinofungidzirwa kutadza kwehardware (semuenzaniso, mabhodhi ekutyaira, encoder).

Maitiro

1. Pre-Replacement Checks:

   • Simbisa peripheral maseketi akajairwa (semuenzaniso, hapana mapfupi maseketi kana voltage spikes).

   • Match component specifications (semuenzaniso, G-nhamba: GCA23090 kune chaiyo inverters).

2. Swap uye Test:

   • Tsiva chikamu chinofungidzirwa nechinhu chinozivikanwa-chakanaka.

   • Mhosva Inoramba ichiripo: Ongorora ane hukama maseketi (semuenzaniso, mota encoder wiring).

   • Fault Transfers: Chekutanga chikamu chakaremara.

Yambiro

• Dzivisa kutsiva zvikamu pasi pesimba.

• Document replacement details for the future reference.

---

2.6 Signal Tracing Method

Chinangwa

Gadzirisa zvikanganiso zvepakati kana zvakaoma (semuenzaniso, kukanganisa kutaurirana).

Zvishandiso Zvinodiwa

• Maintenance komputa (semuenzaniso, Mitsubishi SCT).

• Oscilloscope kana waveform rekodhi.

Maitiro

1. Signal Monitoring:

   • Batanidza komputa yekuchengetedza kune P1C port.

   • Shandisa iyoData Analyzerbasa rekutevera masaini kero (semuenzaniso, 0040:1A38 yemamiriro emusuwo).

2. Trigger Setup:

   • Tsanangura mamiriro (semuenzaniso, kukosha kwechiratidzo = 0 UYE kushanduka kwechiratidzo> 2V).

   • Bata data pamberi / mushure mekukanganisa kuitika.

3. Analysis:

   • Enzanisa maitiro echiratidzo panguva yakajairika vs.

Nyaya Yokudzidza

• CAN Bhazi Kutadza Kukurukurirana (EDX kodhi):

  • Oscilloscope inoratidza ruzha paCAN_H/CAN_L → Tsiva tambo dzakavharirwa kana wedzera zvidziviriro.

---

2.7.Pfupiso yeKusarudza Nzira

Nzira	Best For	Risk Level
Resistance Measurement	Vhura maseketi, zvikanganiso zvekudzivirira	Low
Voltage Potential	Kurasikirwa kwesimba, kukanganisa kwechikamu	Pakati
Wire Jumping	Kukurumidza kuona nzira dzechiratidzo	High
Insulation Kuenzanisa	Kukanganisa kwakavanzika	Low
Component Replacement	Hardware kusimbiswa	Pakati
Signal Tracing	Zvikanganiso zvinopinda/zvine chekuita nesoftware	Low

---

3. Elevator Fault Diagnosis Tools: Zvikamu uye Mirayiridzo Yekushanda

3.1 Zvimwe Zvishandiso (Mitsubishi Elevator-Yakananga)

3.1.1 P1 Control Board uye Fault Code System

• Kushanda:

  • Real-Nguva Kukanganisa Kodhi Kuratidzwa: Inoshandisa 7-segment LED kuratidza kukanganisa kodhi (semuenzaniso, "E5" yekutadza kukuru kwedunhu, "705" yekutadza kwegonhi system).

  • Kudzoserwa Kwemhosva Yenhoroondo: Mamwe mamodheru anochengeta anosvika makumi matatu enhoroondo mhosva marekodhi.

• Operation Matanho:

  • Type II Elevators (GPS-II): Tenderedza MON potentiometer kuenda ku "0" kuverenga macode.

  • Type IV Elevators (MAXIEZ): Seta MON1=1 uye MON0=0 kuratidza macode ane manhamba matatu.

• Muenzaniso Muenzaniso:

  • Kodhi "E35": Inoratidza kumira kwechimbichimbi kunokonzereswa nekumhanyisa gavhuna kana nyaya dzegiya rekuchengetedza.

3.1.2 Maintenance Computer (semuenzaniso, Mitsubishi SCT)

• Core Mabasa:

  • Real-Nguva Signal Monitoring: Tevera masaini ekuisa / kubuda (semuenzaniso, chimiro chekiyi yemusuwo, mhinduro yemabhureki).

  • Data Analyzer: Bata chiratidzo chekuchinja pamberi / mushure mekukanganisa kwepakati nekuisa zvinokonzeresa (semuenzaniso, chiratidzo chekuchinja).

  • Software Version Verification: Tarisa shanduro dzesoftware yekusimudza (semuenzaniso, "CCC01P1-L") kuti ienderane nezvikanganiso.

• Connection Method:

  1. Batanidza komputa yekuchengetedza kune P1C port pane control cabinet.

  2. Sarudza mamenu anoshanda (semuenzaniso, "Signal Display" kana "Fault Log").

• Kushanda Kushanda:

  • Kukanganisa Kwekukurukurirana (EDX Code): Monitor CAN bhazi voltage mazinga; shandura tambo dzakavharidzirwa kana kukanganisa kwaonekwa.

---

3.2 General Electrical Tools

3.2.1 Digital Multimeter

• Mabasa:

  • Continuity Test: Tsvaga maseketi akavhurika (kupokana> 1Ω inoratidza kukanganisa).

  • Voltage Measurement: Simbisa 24V chengetedzo yedunhu magetsi uye 380V huru yekuisa simba.

• Operational Standards:

  • Bvisa simba usati waedza; sarudza matunhu akakodzera (semuenzaniso, AC 500V, DC 30V).

• Muenzaniso Muenzaniso:

  • Gonhi rekiyi yedunhu remagetsi rinoverengwa 0V → Ongorora makiyi egonhi remuhoro kana materminal ane oxidized.

3.2.2 Insulation Resistance Tester (Megohmmeter)

• Function: Ongorora kuputsika kwekudzivirira mumatambo kana zvikamu (yakajairwa kukosha:> 5MΩ).

• Operation Matanho:

  1. Bvisa simba kudunhu rakaedzwa.

  2. Isa 500V DC pakati pe conductor nepasi.

  3. Normal: >5MΩ;Mhosva:

• Muenzaniso Muenzaniso:

  • Door motor cable insulation inodonha kusvika 10kΩ → Tsiva tambo dzebhiriji dzakasakara.

3.2.3 Clamp Meter

• Function: Isiri-yekubata kuyerwa kwemota ikozvino kuti uongorore mutoro anomalies.

• Application Scenario:

  • Traction mota chikamu kusaenzana (> 10% kutsauka) → Tarisa encoder kana inverter kubuda.

---

3.3 Mechanical Diagnostic Tools

3.3.1 Vibration Analyzer (semuenzaniso, EVA-625)

• Function: Wona vibration spectra kubva kune inotungamira njanji kana mashini ekudhonza kuti uwane zvikanganiso zvemuchina.

• Operation Matanho:

  1. Batanidza masensa kumota kana muchina furemu.

  2. Ongorora frequency spectra yeanomalies (semuenzaniso, kutakura masiginicha ehembe).

• Muenzaniso Muenzaniso:

  • Vibration peak pa100Hz → Ongorora gwara renjanji kurongeka.

3.3.2 Dial Indicator (Micrometer)

• Function: Kuyera kwakaringana kwemakanika chikamu kubviswa kana kucheneswa.

• Application Scenarios:

  • Brake Clearance Adjustment: Mutsara wepakati 0.2-0.5mm; gadzirisa kuburikidza neset screws kana kunze kwekushivirira.

  • Tungamira Rail Verticality Calibration: Kutsauka kunofanira kunge kuri

---

3.4 Advanced Diagnostic Equipment

3.4.1 Waveform Recorder

• Function: Bata zviratidzo zvenguva pfupi (semuenzaniso, encoder pulses, kupindira kwekutaurirana).

• Operation Workflow:

  1. Batanidza ma probe kune kunanga masaini (semuenzaniso, CAN_H/CAN_L).

  2. Seta zvinokonzeresa mamiriro (semuenzaniso, chiratidzo amplitude> 2V).

  3. Ongorora waveform spikes kana kukanganisa kuti uwane kunokanganisa masosi.

• Muenzaniso Muenzaniso:

  • CAN bhazi waveform kukanganisa → Simbisa materminal resistors (120Ω inodiwa) kana kutsiva tambo dzakavharirwa.

3.4.2 Thermal Imaging Camera

• Function: Kusaona-kuonekwa kwechikamu chekupisa (semuenzaniso, inverter IGBT modules, motor windings).

• Maitiro Anokosha:

  • Enzanisa kusiyana kwetembiricha pakati pezvikamu zvakafanana (>10°C inoratidza nyaya).

  • Tarisa pane hotspots senge masingi ekupisa uye materminal blocks.

• Muenzaniso Muenzaniso:

  • Inverter heat sink tembiricha inosvika 100°C → Chenesa mafeni ekutonhodza kana kutsiva thermal paste.

---

3.5 Tool Safety Protocols

3.5.1 Kuchengetedzwa Kwemagetsi

• Simba Kuzviparadzanisa nevamwe:

  • Ita Lockout-Tagout (LOTO) usati waedza maseketi makuru emagetsi.

  • Shandisa magurovhosi akaiswa insulated uye magogi pakuedza mhenyu.

• Pfupi-Circuit Prevention:

  • Majumpers anongobvumidzwa kune yakaderera-voltage masaini maseketi (semuenzaniso, masaini ekukiya masuo); usamboshandisa pamaseketi ekuchengetedza.

3.5.2 Kurekodha uye Kurekodha

• Standardized Documentation:

  • Rekodha zviyero zvematurusi (semuenzaniso, kudzivirira kudzivirira, vibration spectra).

  • Gadzira mishumo yekukanganisa nemidziyo yekutsvaga uye mhinduro.

---

4. Tool-Fault Correlation Matrix

Tool Type	Inoshanda Fault Category	Typical Application
Maintenance Computer	Zvikanganiso zveSoftware/Communication	Gadzirisa makodhi eEDX nekutevera masaini eCAN bhazi
Insulation Tester	Hidden Shorts / Insulation Degradation	Tsvaga gonhi mota tambo yekumisa zvikanganiso
Vibration Analyzer	Mechanical Vibration/Guide Rail Misalignment	Ongorora traction mota inotakura ruzha
Thermal Kamera	Zvinokonzera kupisa (E90 Code)	Tsvaga overheating inverter modules
Dial Indicator	Brake Failure / Mechanical Jams	Rongedza bhureki bhutsu clearance

---

5. Nyaya Yechidzidzo: Integrated Tool Application

Fault Phenomenon

Kakawanda emergency kumira nekodhi "E35" (emergency stop sub-fault).

Zvishandiso uye Matanho

1. Maintenance Computer:

   • Yakatora matanda enhoroondo anoratidza kuchinjana "E35" uye "E62" (encoder kukanganisa).

2. Vibration Analyzer:

   • Akaonekwa abnormal traction motor vibrations, zvichiratidza kutakura kukuvara.

3. Thermal Kamera:

   • Kuzivikanwa kwenzvimbo yekupisa (95°C) pane IGBT module nekuda kwekuvharika kwekutonhodza mafeni.

4. Insulation Tester:

   • Yakasimbiswa encoder tambo insulation yaive yakasimba (> 10MΩ), ichitonga kunze mapfupi maseketi.

Solution

• Yakatsiviwa traction mota mabhengi, yakacheneswa inverter kutonhora system, uye kusetazve kukanganisa makodhi.

---

Zvinyorwa Zvinyorwa:
Iri gwara rakarongeka rinodonongodza maturusi eMitsubishi elevator yekutadza kuongororwa, inovhara hunyanzvi zvishandiso, zviridzwa zvakajairika, uye matekinoroji epamberi. Mhosva dzinoshanda uye maprotocol ekuchengetedza anopa maitiro anogoneka kune matekinoroji.

Copyright Notice: Gwaro iri rakavakirwa paMitsubishi tekinoroji zvinyorwa uye maitiro eindasitiri. Kushandiswa kwekutengesa kusina mvumo kunorambidzwa.