EQUATION EQ2 Series, Assembly, Use, Maintenance Manual

Page: 66 / 80

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TROUBLESHOOTING GUIDE
EN
1 - SEE THE TROUBLESHOOTING TABLES
NO HOT WATER
I - To be checked by the user:
- Check the supply indicator is on
- The knob is not adjusted in frost-free mode
- Check that one of the protection devices has not dropped (circuit-breaker) or replace fuse
If the steps in point I are verified, and the problem is not resolved, proceed as follows:
-
Caution!
The following operations must be carried out only by a qualified
professional.
A multimeter must be used to measure the voltages. It is dangerous to use a tester screwdriver
since it is not sufficiently reliable to check whether or not the voltage is present.
II - Check at every stage that the device is turned off, using a voltage checker.
- Turn off power and check that it is off on the appliance’s mains connection to the
building power.
- Check that the thermal cut-off (see diagram 3 page 75) has not tripped by pressing
the small round button in the centre.
If the thermal cut-off has not tripped, carry out the following steps:
III - Measure the voltage with a multimeter at each of the following points:
1
2
3
1
2
3
50 to 100 L 150 to 300 L
EN