12 Troubleshooting
Installer reference guide
70
ERLQ004~0 EHVH/X04+0 EHVH/X08S26CA
Daikin Altherma - Low Temperature Split
4P313775-1C – 2012.11
Anode
No maintenance or replacement required.
11.2.1
To drain the domestic hot water tank
1
Switch OFF the power supply.
2
Turn OFF the cold water supply.
3
Open the hot water taps.
4
Open the drain valve.
11.3
Checklist for yearly maintenance for
outdoor unit
Check the following at least once a year:
▪ Outdoor unit heat exchanger.
The heat exchanger of the outdoor unit can get blocked up due to
dust, dirt, leaves, etc. It is recommended to clean the heat
exchanger yearly. A blocked heat exchanger can lead to too low
pressure or too high pressure leading to worse performance.
11.4
To drain the domestic hot water tank
1
Open the front panel.
2
Remove the 4 screws, unhook and put the switch box aside.
4x
3
The drain hose is located at the right side of the unit. Cut the tie
wraps or tape and bring the flexible drain hose forward.
a
a
Drain hose
INFORMATION
To drain the tank, all the hot water tapping points need to
be opened to allow air to enter the system.
12
Troubleshooting
12.1
General guidelines
Before starting the troubleshooting procedure, carry out a thorough
visual inspection of the unit and look for obvious defects such as
loose connections or defective wiring.
WARNING
▪ When carrying out an inspection on the switch box of
the unit, always make sure that the unit is disconnected
from the mains. Turn off the respective circuit breaker.
▪ When a safety device was activated, stop the unit and
find out why the safety device was activated before
resetting it. NEVER bridge safety devices or change
their values to a value other than the factory default
setting. If you are unable to find the cause of the
problem, call your dealer.
DANGER: RISK OF ELECTROCUTION
WARNING
Prevent hazard due to the inadvertent resetting of the
thermal cut-out: this appliance must NOT be supplied
through an external switching device, such as a timer, or
connected to a circuit that is regularly turned ON and OFF
by the utility.
DANGER: RISK OF BURNING
12.2
Solving problems based on symptoms
12.2.1
Symptom: The unit is NOT heating or
cooling as expected
Possible causes
Corrective action
The temperature setting is NOT
correct
Check the temperature setting on
the remote controller. Refer to
the operation manual.
Summary of Contents for EHVH/X04+08S18CA
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