6 720 818 731 (2016/07)
Tronic 4000 T | Tronic 6000 T
Faults | 15
9
Faults
9.1
Fault/cause/remedy
The following table describes troubleshooting procedures for
possible faults (these must only be carried out by authorised
contractors).
DANGER:
Installation, maintenance and repair work may
only be carried out by an authorised contractor.
Problem
Reason
Remedy
Domest
ic Cold Water
Ver
y hot water
Insuf
ficie
nt
capa
city
Continuous drain fr
om the
pr
es
su
re
re
lie
f v
alv
e
Rust-color
ed w
ater
Water with a
ba
d
odo
ur
Noises in the DHW c
ylinde
r
X
Overvoltage or the safety switch was triggered
(performance too high).
▶ Check whether the cable of the device is
designed to supply the required power.
X
X
Incorrect temperature set by the temperature
regulator.
▶ Adjust the temperature regulator.
X
High limit safety cut-out triggered.
▶ Replace the temperature limiter or install a
new one.
X
Defective heating element.
▶ Exchange the heating element.
X
Incorrect operation of the temperature limiter. ▶ Replace the temperature limiter or install a
new one.
X
X
X
Scale on the DHW cylinder and/or the safety
group.
▶ Remove scale.
▶ If necessary replace the safety group.
X
X
X
Water pressure in the system.
▶ Check the system water pressure.
▶ If necessary, install a pressure reducer.
X
X
Capacity of the water supply network.
▶ Check piping.
X
Corrosion of DHW cylinder.
▶ Drain the DHW cylinder and check the
inner wall for corrosipon.
▶ Replace the magnesium anode.
X
Bacterial contamination.
▶ Drain the DHW cylinder and clean it.
▶ Disinfect the DHW cylinder.
X
The device capacity does not meet the need.
▶ Replace the product with one that has
sufficient capacity.
Table 8
