Nibe F2040 Series, Installer Manual

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Troubleshooting
NOTE
Work behind covers secured by screws may
only be carried out by, or under the supervision
of, a qualified installation engineer.
NOTE
As F2040 can be connected to a large number
of external units, these should also be checked.
NOTE
In the event of action to rectify malfunctions
that require work within screwed hatches the
incoming electricity must isolated at the safety
switch.
NOTE
The alarm is acknowledged on the indoor
module or by the voltage to the heat pump
being interrupted and then restarted.
The following tips can be used to rectify comfort dis-
ruption:
Basic actions
Start by checking the following possible fault sources:
■
That the heat pump is running or that the supply
cable to F2040 is connected.
■
Group and main fuses of the accommodation.
■
The property's earth circuit breaker.
■
The heat pump's motor circuit breaker (F).
Low hot water temperature or a lack of hot
water
This part of the fault-tracing chapter only applies if the
heat pump is docked to the hot water heater.
■
Large hot water consumption.
■
Wait until the hot water has heated up.
■
Incorrect settings in the indoor module.
■
See the manual for the indoor module.
Low room temperature
■
Closed thermostats in several rooms.
■
Set the thermostats to max in as many rooms as
possible.
■
External switch for changing the room heating activ-
ated.
■
Check any external switches.
■
Incorrect settings in indoor module.
■
See the manual for the indoor module.
High room temperature
■
External switch for changing the room heating activ-
ated.
■
Check any external switches.
■
Incorrect settings in indoor module.
■
See the manual for the indoor module.
F2040 is not operational
F2040 communicates all alarms to the indoor module.
■
Ensure that the F2040 is connected to the power
source.
■
Check the indoor module. See section "Disturbances
in comfort" in the installation manual for the indoor
module.
F2040 does not communicate
■
Check that the addressing of F2040 is correct.
■
Check that the communication cable has been con-
nected.
35 Chapter 8 | Disturbances in comfort NIBE™ F2040
8 Disturbances in comfort