Faults - Dimplex DEE 1521 Assembly And Operating Instructions Manual

DEE 1521, DEE 2127
8

Faults

ATTENTION!
Maintenance work that requires opening of the device must only be performed by licensed
professionals.
The following table describes solutions for possible problems.
Problem
The water flow rate is
too low.
The device cannot be
switched on.
Water is not heated suf-
ficiently.
The device intermit-
tently does not provide
hot water.
The red LED flashes.
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Cause
The aerator in the tap is clogged. Clean or replace the aerator.
The flow rate in the shower head
is limited.
The water filter in the device is
clogged.
The volume flow in the device is
reduced by the flow limiter.
The residual current circuit
breaker in the instrumentation
cabinet has tripped.
The performance limit has been
reached:
=> The white LED flashes once a
second.
The volume flow is too high and/
or the cold water inlet tempera-
ture is too low (winter)
The device detects air in the
water and temporarily switches
off the heating resistors.
=> The white LED flashes twice a
second
Fault in the device.
6721873500 (2023/07)
Solutions
Remove the flow limiter in the
shower head or replace the shower
head.
Clean the water filter, see chapter 6. Licensed professional only
Remove the flow limiter,
see chapter 6.
Check the residual current circuit
breaker in the instrumentation cabi-
net.
Reduce the volume flow on the tap. Operator
Reduce the volume flow on the cor-
ner valve.
Check the flow limiter (see
chapter 6.), and, if necessary, use a
different flow limiter to reduce the
water volume flow.
Wait until the system has been
vented.
Close the hot water tap and open it
again.
If the fault persists: Notify after-sales
service
English
To be performed by
Operator or professional
Operator or professional
Licensed professional only
Operator or professional
Operator or professional
Licensed professional only
Operator
Operator
EN-21