Troubleshooting; Spare Parts - Stiebel Eltron TEMPRA 12 B Manuel D'utilisation Et Installation

11. 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.

12. Spare parts

Model Spare part No.
1
J
Housing
TEMPRA 12 B 286356
TEMPRA 15 B 286356
TEMPRA 20 B
286356
TEMPRA 24 B 286356
TEMPRA 29 B 286356
TEMPRA 36 B 286356
TEMPRA 12 Plus
286370
TEMPRA 15 Plus 286370
TEMPRA 20 Plus 286370
TEMPRA 24 Plus 286370
TEMPRA 29 Plus
286370
TEMPRA 36 Plus 286370
Model Spare part No.
8
J
Plumbing
connection 3/4"
TEMPRA 12 B
278698
TEMPRA 15 B 278698
TEMPRA 20 B 278698
TEMPRA 24 B 278698
TEMPRA 29 B
278698
TEMPRA 36 B 278698
TEMPRA 12 Plus 278698
TEMPRA 15 Plus 278698
TEMPRA 20 Plus
278698
TEMPRA 24 Plus 278698
TEMPRA 29 Plus 278698
TEMPRA 36 Plus 278698
Model Spare part No.
15
J
Inlet pipe elbow
TEMPRA 12 B 278695
TEMPRA 15 B 278695
TEMPRA 20 B
278695
TEMPRA 24 B 278695
TEMPRA 29 B 278695
TEMPRA 36 B 278695
TEMPRA 12 Plus
---
TEMPRA 15 Plus ---
TEMPRA 20 Plus ---
TEMPRA 24 Plus ---
TEMPRA 29 Plus
---
TEMPRA 36 Plus ---
– 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
Temp. control Wiring block
knob
254307 279998
254307 279997
254307 279997
254307 279997
254307 279996
254307 279996
254307 279998
254307 279997
254307 279997
254307 279997
254307 279996
254307 279996
9 10
Advanced Flow Electronic temp.
Control control
--- 286359
--- 286359
--- 286359
--- 286359
--- 286359
--- 286359
220502 286372
220502 286372
220502 286372
220502 286372
220502 286372
220502 286372
16 17
Valve assembly Axis connection
plug
--- 254312
--- 254312
--- 254312
--- 254312
--- 254312
--- 254312
280622 254312
280622 254312
280622 254312
280622 254312
280622 254312
280622 254312
– 10 –
– 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
Heating system Safety thermal
cut out
286360 286369
286361 286369
286362 286369
286364 286369
286373 286369
286374 286369
286360 286369
286361 286369
286362 286369
286364 286369
286373 286369
286374 286369
11 12
Jumpers Temperature
sensor
--- 280677
--- 280677
--- 280677
--- 280677
--- 280677
--- 280677
283455 280677
283455 280677
283455 280677
283455 280677
283455 280677
283455 280677
6 7
Electronic control Flow sensor
device
286366 286461
286844 286461
286844 286461
286367 286461
296888 286461
296889 286461
286375 286461
286845 286461
286845 286461
286376 286461
286378 286461
286379 286461
13 14
Filter screen Set point case
056755 280730
056755 280730
056755 280730
056755 280730
056755 280730
056755 280730
056755 280730
056755 280730
056755 280730
056755 280730
056755 280730
056755 280730