Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Gain access to PCB (use Insulation Mat as required)
Ensure No demands are present
Ensure No demands are present
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
1. With power re-instated to the boiler, do the PCB LED's illuminate (self-check & purge cycle) after approximately 15 seconds, if they do proceed to step 2, if not choose option "PCB LEDS DO NOT ILLUMINATE " from below.
2. The self-check & purge cycle will last approximately 2 minutes, during the self-check & purge cycle the pump should run for approximately 20 seconds then off for 20 seconds repeating.
Does the PCB LED's & pump operate as described?
2. The self-check & purge cycle will last approximately 2 minutes, during the self-check & purge cycle the pump should run for approximately 20 seconds then off for 20 seconds repeating.
Does the PCB LED's & pump operate as described?