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[ IX Troubleshooting ]
- 189 -
HWE08040 GB
1. Error Code
ACCT sensor fault (Detail code 115)
2. Error definition and error detection method
When the formula "output current < 1.5 Arms" remains satisfied for 10 seconds while the inverter is in operation.
3. Cause, check method and remedy
Refer to section -6-"Inverter (YHMU-A)" under part [4] Troubleshooting Principal Parts for error codes related to the
inverter.(page 252)
1. Error Code
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
Refer to section -6-"Inverter (THMU-A)" under part [4] Troubleshooting Principal Parts for error codes related to the
inverter.(page 244)
1. Error Code
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
Refer to section -6-"Inverter" under part [4] Troubleshooting Principal Parts for error codes related to the inverter.
5301 (YHMU-A)
Cause Check method and remedy
(1) Inverter open output phase Check the output wiring connections.
(2) Compressor failure Refer to IX [4] -6- (2) [2].(page 254)
(3) INV board failure Refer to IX [4] -6- (2) [1], [3], [4].(page 254)
5301 (THMU-A) (P120 model only)
Cause Check method and remedy
(1) Contact failure Check the contact of the connector (CNCT) on the INV board, and the
contact the connector on DCCT side.
(2) Misorientation Check the installation direction of DCCT.
(3) DCCT sensor failure Replace the DCCT sensor.
(4) INV board failure Replace the INV board.
5301
Cause Check method and remedy
(1) INV board failure Refer to IX [4] -6- (2) [1], [3], [4].
(2) Compressor failure Refer to IX [4] -6- (2) [2].