Sub-Zero Runs with Power Off
- Unit continues to run when turned off
- Sub-Zero is still running with the power off
- Should a Sub-Zero keep running after the power is turned off?
- Sub-Zero does not turn off when the power is turned off
- Installation wiring
- Internal wiring
- Control board
- Control panel
If the unit is a new installation, verify the unit is connected to a dedicated 15-amp, 120-volt power supply source.
- Refer to the product installation guide for further installation information.
Units with an electronic control board:
- Reset the circuit breaker that controls power to the unit.
- If this step does not resolve the issue, no further troubleshooting advice is available. Contact Factory Certified Service to schedule an appointment for repair.
Units without an electronic control board:
- Depending on the model, there may be two separate thermostat control knobs that need to be turned to the off position in order to turn off the unit.
- It is possible for some older units to continue to run even with the thermostat control knobs turned to the off position.
- To turn the unit off completely, turn off the unit's circuit breaker.
- If these steps do not resolve the issue, no further troubleshooting advice is available. Contact Factory Certified Service to schedule an appointment for repair.
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