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Beschikbare talen
8.2
Troubleshooting table for general errors
Indication
Cause
Water leakage
Leakage from water
connection (threaded).
Leakage from another nearby
water heater or pipe segment.
Leakage from Theta dual
service module parts.
Heating system stays
The water heater is off.
cold
(1/2)
No supply voltage present on
the water heater and
controller of the Theta dual
service module.
Heating functionality has not
been activated.
Room thermostat is not
connected or is not
functioning.
Hot water supply is used up.
Heating setpoint is set to low.
Priority protocol is active.
Table continues on next page.
92
Measure
Tighten the threaded connection.
Trace the leak.
Trace the leak. If leakage can not be solved replace leaking part
or consult the supplier and/or manufacturer.
Start the water heater (see Installation-, User- and Service
manual of the water heater, 9 "Starting the water heater")
1. Check whether the isolator is ON.
2. Check that there is power to the isolator.
3. Check whether the ON/OFF-switch of the controller, of the
water heater, is ON (position I)
4. Check whether there is power to the electrical connector
block of the water heater.
5. The measured voltage must be 230 V
Activate the heating functionality (6.2 "Heating functionality").
1. Check whether the room thermostat is connected correctly
(electrical).
2. Check whether the cable (from controller to thermostat) is
connected (electrical) to the room thermostat.
Check whether the room thermostat is functioning.
Reduce hot water consumption and give the water heater time to
heat up.
Set the heating setpoint to a higher setting (6.3 "Setting heating
setpoint").
Check whether the priority protocol (production of DHW-water
has priority over the production of heating water) is active.
Remark
If the leak persists, consult your installation engineer.
See electrical diagram (11 "Appendices").
-
-
If the error persists, consult you installation
engineer.
(-15%, +10%).
AC
If there continues to be insufficient or no hot water,
consult your installation engineer.
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