Installation Manual

ENGLISH
WWW.STIEBEL-ELTRON-USA.COM DHC | 7
INSTALLATION
TROUBLESHOOTING
9. Troubleshooting
Symptom Possible cause Solution
No hot water but audible click can be heard when
water is turned on.
circuit breaker off circuit breaker on.
safety thermal cut-out tripped reset thermal cut-out.
No hot water and no audible click can be heard when
water is turned on
water flow too low to activate flow switch clean faucet aerator.
open shut-off valve completely.
open flow adjustment screw.
clean filter screen at DHC unit (see figure “Spare
parts”).
Water not warm enough
water flow too high reduce water flow, close flow adjustment screw.
voltage too low supply correct voltage to unit.
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.
Open flow adjustment screw
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Reset button from safety thermal cut out
DANGER: Electrocution
Do not attempt to reset the safety thermal cutout of
this water heater unless power to the unit has been
completely shut off at the circuit breakers.
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