1.8 Troubleshooting by the user
Should you fail to obtain hot water at any time, you can take the following steps to remedy that
situation.
No electrical power
Check the fuse/circuit breaker in your fuse box. If it has blown/tripped, replace/reset the fuse/MCB.
Notify your local contractor if the MCB trips/fuse blows again when you switch it on again/replace it.
Still no hot water, even though power is available
Check for obstructed air inlet/outlet.
Other faults
Pressure temperature relief ( PTR ) valve on the hot water line drips
This may occur during the heat-up phase and is completely normal.
Condensate drain drips
This always happens when the surface temperature of the evaporator is lower than the ambient dew
point temperature.
For all other faults, consult your contractor.
Note that DHW production can be maintained in most fault conditions by switching the
electrical supplementary heater ON.
1. OPERATING INSTRUCTIONS
cont..
7
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