Error Code [5301] Detail Code 116 (Tlmu); Error Code [5301] Detail Code 117 - Mitsubishi Electric R410A Service Handbook

[7-6 Error Code Definitions and Solutions: Codes [5000 - 5999] ]
7-6-8

Error Code [5301] Detail Code 116 (TLMU)

1. Error code definition
(P168 model only)
DCCT sensor fault (Detail code116)
2. Error definition and error detection method
When the bus current less than 18 Apeak is detected at startup (6Hz)
3. Cause, check method and remedy
Cause
(1) Contact failure
(2) Misorientation
(3) DCCT sensor failure
(4) INV board failure
For inverter-related error codes, refer to the following page(s). [8-9 Troubleshooting Inverter Problems (TLMU)](page 264)
7-6-9

Error Code [5301] Detail Code 117

1. Error code definition
ACCT sensor circuit fault (Detail code 117)
2. Error definition and error detection method
When an error value is detected with the ACCT detection circuit just before the inverter starts
3. Cause, check method and remedy
Cause
(1) INV board failure
(2) Compressor failure
For inverter-related error codes, refer to the following page(s).
[8-9 Troubleshooting Inverter Problems (TLMU)](page 264)
[8-10 Troubleshooting Inverter Problems (YLMU)](page 276)
HWE14080
Check the contact of the connector (CNCT) on the INV board, and the
contact the connector on DCCT side.
Check the installation direction of DCCT.
Replace the DCCT sensor.
Replace the INV board.
Check method and remedy
Refer to the following page(s).
(TLMU)
[8-9-2 Checking the Inverter Board Error Detection Circuit](page 266)
[8-9-4 Checking the Inverter for Damage at No-Load](page 267)
[8-9-5 Checking the Inverter for Damage during Compressor Operation](page 268)
(YLMU)
[8-10-2 Checking the Inverter Board Error Detection Circuit](page 278)
[8-10-4 Checking the Inverter for Damage at No-Load](page 278)
[8-10-5 Checking the Inverter for Damage during Compressor Operation](page 279)
Refer to the following page(s).
(TLMU)
[8-9-3 Checking the Compressor for Ground Fault and Coil Resistance Problems](page
266)
(YLMU)
[8-10-3 Checking the Compressor for Ground Fault and Coil Resistance Prob-
lems](page 278)
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Check method and remedy
GB