Fault indications
Fault
pattern
LED 1
1
Setpoint temperature
FLASHES
2
warm water temp. 37 C
FLASHES
3
FLASHES
4
5
*) 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.)
Idicator
LED 2
No display
Appliance does
not work
No display
not reachd
FLASHES
long
long
Constant
FLASHES
long
short
No heat output
ON
long
No heat output
ON
No heat output
Possible faults
- Flowrate sensor not plugged
/ defective
- L1 or L3 phase missing
- L2 phase missing
- Setpoint generator not fitted
- Electronics defective
- Supply temperature over 25 C
- Water flow over 20l/min
18