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Fault indications
- L1 or L3 phase missing
- L2 phase missing
*) The individual fault are indicated every 5 sec. The indication mode starts
afresh every 40 sec.
Important! If the fault has been rectified, the fault memory goes automati-
cally in Reset - Function.(Sometimes with cold water flow phase ca.15 sec.)
Fault
pattern
Idicator Possible faults
LED 1 LED 2
1 No display
Appliance does
not work
- Flowrate sensor not plugged
/ defective
Setpoint temperature
not reachd
2
FLASHES
long
FLASHES
long
- Setpoint generator not fitted
3
No display
warm water temp. 37°C
Constant
FLASHES
long
FLASHES
short
No heat output
- Electronics defective
FLASHES
long
ON
No heat output
4
- Supply temperature over 25°C
5
ON
No heat output
- Water flow over 20l/min