14
15
4. Troubleshooting and Service
This instantaneous water heater was manufactured conscientiously and checked sev-
eral times before delivery. Should malfunctions nevertheless occur, it is usually only
due to a bagatelle. First attempt to switch the house fuses off and on again in order to
reset the electronics. Next, try to remedy the problem with reference to the following
table. In doing so, you will avoid unnecessary expense of customer service assistance.
DEN
Problem
Cause
Solution
Water stays cold, touch
display shows power
break screen
Master fuse tripped
Renew or activate fuse
Safety pressure cut-out
tripped
Contact customer service
Water stays cold,
display shows error
symbol
The appliance has
detected an error.
Switch fuses off and on. If
symbol “wrench” is still indi-
cated, contact customer
service
Flow rate of hot water
too weak
Outlet fitting dirty or
calcified
Clean shower head, jet regula-
tor or sieves
Fine filter dirty or calci-
fied
Let clean fine filter by cus-
tomer service
Selected temperature
is not reached
Power limit reached
Decrease the warm water flow
at the tap
Cold water has been
added via the tap
Tap hot water only; set tem-
perature, check outlet tem-
perature
Sensor keys does not
respond correctly or
only sporadically
Display glass is wet
Dry display by wiping it with a
soft cloth
Repairs must only be carried out
by authorised professionals. If
a fault in your appliance cannot
be rectified with the aid of this
table, please contact German
Pool Customer Service & Repair
Centre. Please have the details of
the typeplate at hand.
WARNING!
Connecting pipe
Power circuit board cover
Power circuit board (PCB)
Connecting terminal
Frame
Cold water connection
Fine filter
Water splash protection sleeve
Grommet
Screw-in nipples ½ inch
DEN12 hood
Non-return valve
Flow sensor
Thermal sensor
Thermal sensor
Outlet pipe
Bottom part
Wall bracket
Hot water connection
Flow limiter 5L / min
1. Overview
Safety thermal cut-out
(STB)
Heating element
Inlet pipe
Installation Instructions
Safety pressure cut-out
(SDB)
Control panel with
bracket
Содержание GERMAN POOL DEN12
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