Mitsubishi Electric CMB-WM108V-AA Service Handbook page 156

[ VIII Troubleshooting ]
5301
1. Error Code
5301
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
Cause
(1) Inverter open output phase
(2) Compressor failure
(3) INV board failure
Refer to the page on troubleshooting of inverter in outdoor unit service handbook.
1. Error Code
5301
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
Refer to the page on troubleshooting of inverter in outdoor unit service handbook.
HWE1708A
Check method and remedy
Check the output wiring connections.
Refer to the page on troubleshooting of inverter in outdoor unit ser-
vice handbook
Refer to the page on troubleshooting of inverter in outdoor unit ser-
vice handbook
Check method and remedy
Refer to the page on troubleshooting of inverter in outdoor unit ser-
vice handbook
Refer to the page on troubleshooting of inverter in outdoor unit ser-
vice handbook
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GB