EQUATION EQ2 Series, Assembly, Use, Maintenance Manual

Page: 67 / 80

67
Point Description of power connection If there is no current
1
At the connection of the water heater to the
building mains supply
Problem with power supply to be
corrected by an electrician
2 At the thermal safety device outlet
Thermal safety device
out of service
3 On the electrical resistance Thermostat problem
If the voltage is correct on all the above points, cut power, disconnect the heating elements
(point 3) and measure their resistance. If the value is 0 ohm, the resistance is out of service:
it should be replaced.
WATER LUKEWARM
Actions to be taken
Solution Possible cause
1/ Check position
of the knob on the control
unit
Set the thermostat
by turning the knob as far as
possible to the right
Thermostat setting too low
2/ Open one of the hot taps
of the dwelling
Check the heating element
replace if necessary
Power supply fault
LEAK PROBLEM
Drain the water heater (See Maintenance, Article 2)
Actions to be taken
Solution Possible cause
Locate the leak: on cold and
hot water connectors
(See Maintenance, Article 2)
Reconnect all
the connections.
(See diagrams 2 pages
73-74).
Connections
not properly sealed
Locate leak: on nuts under
plastic cover
(See Maintenance, Article 2)
Replace
seal
Seal
deteriorated
Locate leak: on tank
(See Maintenance, Article 2)
Replace
water heater
Tank corroded
EN