EN
Your water heater: Troubleshooting guide
V. Troubleshooting guide
V.1 No hot water
Action to take
1. Have the electrical power supply
checked by a professional (using a
multimeter).
2. If you have Peak/Off-peak hours
pricing,
2.1. Switch to forced operation
from your electric distribution board.
2.2. Check the position of the circuit
breaker (should be in the ON position)
1. Cut-off the water heater current
(the circuit breaker should be in the
OFF position).
1
1
AUTO
AUTO
0
0
2. Trigger the thermostat safety device
again by pressing the red button (see
section III).
3. Switch to forced operation from
your electrical distribution board.
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Solution
If there is no current
at the water heater's terminals:
have an electrician look at it.
1
1
1
AUTO
AUTO
AUTO
0
0
0
If there is current at the water
heater's terminals, go to the next
step.
If the thermostat regularly goes
into safety mode, descale the
water heater (see the chapter on
maintenance) and retighten all the
electrical connections (after having
switched off the power).
If the safety device is not trigge-
red, move onto the next step.
Cause
Electrical power supply fault.
Thermostat going into safe mode.
NOTE: it is preferable to replace the
thermostat . if it goes into safe mode
numerous times. (more than 10 times)