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5.
trOUble shOOting
Symptom: No heat, display off
Cause
Electric supply is off
No or low water flow
Water connections
are reversed
Symptom: No heat or little hot water, display on
Cause
Water flow too high
Incorrect power supply
E2
Symptom: Water temperature is too low
Cause
Water flow too high
22
Remedy
T urn on the main circuit breaker.
Ensure that the minimum water pressure (0,05Mpa /
0,5bar) to switch on the device is met. Also check that
the inlet filter screen is clear from any debris. This is
located in the inlet.
Cold water inlet = blue;
Hot water outlet = red.
Remedy
Reduce the water flow.
Make sure that the device is connected to the voltage
supply specified on the rating label on the front cover
of the device and no other.
Replace the water temperature sensor. Contact after
sales service at www.wahlbach.com
Remedy
Reduce the water flow, see chapter 3.
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