Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Drain boiler primary circuit
Remove bypass pipe from front of left hand hydroblock
Remove bypass pipe from front of left hand hydroblock
Observation:
Inspect the internal bypass for restrictions or damage.
Apply a small amount of pressure to the inner plastic section of the bypass. The bypass should be move up and return back to its seated position quickly and smoothly.
Apply a small amount of pressure to the inner plastic section of the bypass. The bypass should be move up and return back to its seated position quickly and smoothly.
Isolate as per TOPs P4
and refit as necessary