[7-6 Error Code Definitions and Solutions: Codes [4000 - 4999] ]
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HWE12050 GB
7-6-14 Error Code [4250] Detail Codes 106 and 107
1. Error code definition
Instantaneous overcurrent (Detail code 106)
Overcurrent (effective value) (Detail code 107)
2. Error definition and error detection method
EP200 and EP250 models
Overcurrent 38 Apeak or 23 Arms and above is detected by the current sensor.
EP300 - EP450 models
Overcurrent 56 Apeak or 33 Arms and above is detected by the current sensor.
3. Cause, check method and remedy
For inverter-related error codes, refer to the following page(s). [8-9 Troubleshooting Inverter Problems](page 234)
Cause Check method and remedy
(1) Inverter output related Refer to the following page(s).
[8-9-2 Checking the Inverter Board Error Detection Circuit](page 236)
[8-9-3 Checking the Compressor for Ground Fault and Coil Resistance Prob-
lems](page 236)
[8-9-4 Checking the Inverter for Damage at No-Load](page 236)
[8-9-5 Checking the Inverter for Damage during Compressor Operation](page
237)
[8-9-10 Checking the Installation Conditions](page 239)
Check the IGBT module resistance value of the INV board, if no problems are
found.
[8-9-14 Troubleshooting Problems with IGBT Module](page 241)
(2) The model selection
switches (SW5-3 - 5-8) on
the outdoor unit are set in-
correctly.
Check the setting for the model selection switch on the outdoor unit (Dipswitches
SW5-3 - 5-8 on the outdoor unit control board).
For switch settings, refer to the following page(s). [7-9-2 Error Code [7101]](page
197)
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