Troubleshooting; Spare Parts - STIEBEL ELTRON Tempra 12 Installation Instructions Manual

10

Troubleshooting

Symptom
No hot water
Not enough hot water
Water not hot enough
If you are not able to resolve a problem please contact us toll free at 800-582-8423 before removing the unit from the wall.
STIEBEL ELTRON is happy to provide technical assistance. In most instances, we can resolve the problem over the phone.
11

Spare parts

Model No. Spare part
1
J
Safety thermal
cut out
TEMPRA 12 286369
TEMPRA 15 286369
TEMPRA 20
286369
TEMPRA 24
286369
TEMPRA 12 Plus 286369
TEMPRA 15 Plus 286369
TEMPRA 20 Plus 286369
TEMPRA 24 Plus 286369
TEMPRA 29 Plus
286369
TEMPRA 36 Plus 286369
J
Possible cause
– circuit breakers off
– safety thermal cut-out tripped
– not enough flow rate to activate unit
– filter screen clogged
– water flow rate too high
– voltage too low
2 3
Flow sensor Electronic control
unit
286461 286366
286461 286365
286461 286844
286461 286367
286461 286375
286461 286377
286461 286845
286461 286376
286461 286378
286461 286379
– 8 –
Solution
– turn circuit breakers on
– reset safety thermal cut-out
– clean filter screen at unit
– clean faucet aerator or shower head
– clean filter screen at unit
– reduce water flow rate until power light on front
cover stops blinking
– supply correct voltage to unit
4 5
Housing Electronic setpoint
selector
286356 286359
286356 286359
286356 286359
286356 286359
286370 286372
286370 286372
286370 286372
286370 286372
286370 286372
286370 286372
6 7
Motor-operated Heating system
valve
--- 286360
--- 286361
--- 286362
--- 286364
220502 286360
220502 286361
220502 286362
220502 286364
220502 286373
220502 286374