nilan CTS700 TOUCH Software Instructions page 45

24 Info Too long start-up of a function
28 Info Slave device connected
31 Failure in de-icing
41 Frost protection hot water tank
active
44 Failure on anode in domestic hot
water tank
45 Info Start anti legionella
46 Failure in anti legionella function
47 Heat pump de-icing failure
49 Compressor high pressure alarm
62 Database error
65 Changed type of slave device
69 Leaking brine circuit BAH solution
75 Sensor fault
80 Too low temperature in the
evaporator
81 Info Electric supplement heater in hot
water tank is on
82 Info Electric supplement heater in hot
water tank is off
85 Slave SW not the same as master
86 Slave RTDB not the same as master
Compact P / Compact P Polar (English)
Software error
A new slave device has been
connected
De-icing error (2 hours)
Frost protection of DHW hot water
tank has been active
Error in the DHW hot water tank
anode
Anti legionella function for DHW hot
water tank has started
The anti-legionella function in the
DHW hot water tank could not be
completed after 20 attempts, or the
maximum period of 5 hours has
passed
Error on heat pump de-icing
Compressor is showing a high
pressure alarm
Type of slave device has been
changed
There is a leak in the brine circuit of
the BAH solution
There is an error on one or more
sensors
The evaporater element has been
too cold (<-20 °C)
Electric supplement heater in the
DHW tank has been turned on
Electric supplement heater in the
DHW tank has been turned off
Software version for slave unit is
not the same as on the master
Slave RTDB version is not the same
as master
BY NILAN
Turn the unit off and on again.
If the error reoccurs, contact the
installer.
Check counterflow heat exchanger.
If necessary, remove and thaw
under a shower.
Replace anode and check anode
monitoring.
Adjust time before startup to e.g.
night so there is enough time to
restart the anti-legionella function.
Check that T6 de-icing has been
activated.
Check that there is sufficient
airflow over the condenser and
water in the hot water tank.
Check that the outdoor air
temperature is not over 45°C.
Contact installer.
Check dip-switch settings.
Repair the brine circuit on the BAH
solution.
Check the sensors by reading off
data under Information.
Check airflow over the evaporator.
Check that the filters are clean and
there is free passage in the air
intake.
Update software so that both are
running the same version.
Update software so that both are
running the same version.
45