GB Controls Error Codes
If your GB Controls is displaying an error code, it’s crucial to identify them promptly. Error codes can be very helpful in diagnosing the initial problem.
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Error codes for GB Controls Controller:
| Error code | Description/Control |
| E1 | Defrost in progress |
| E2 | Recovery after defrost |
| E3 | Controller in Stand-by |
| E4 | Condenser clean warning |
| E5 | Door open alarm |
| E6 | Condenser high temperature alarm |
| E7 | Condenser high pressure alarm |
