Troubleshooting; Overview: Troubleshooting; Precautions When Troubleshooting - Daikin Altherma 3 R F Installer's Reference Manual

13 Troubleshooting

In this chapter

13.1 Overview: Troubleshooting

13.2 Precautions when troubleshooting

ERLA03DAV3 + EHFZ03S18DJ3V
Daikin Altherma 3 R F
4P596821-1 - 2019.10
If a malfunction occurs,
display more information about the malfunction.
For the symptoms listed below, you can try to solve the problem yourself. For any
other problem, contact your installer. You can find the contact/helpdesk number
via the user interface.
13.1 Overview: Troubleshooting .................................................................................................................................................... 159
13.2 Precautions when troubleshooting........................................................................................................................................ 159
13.3 Solving problems based on symptoms................................................................................................................................... 160
13.3.1 Symptom: The unit is NOT heating as expected ................................................................................................... 160
13.3.2 Symptom: The compressor does NOT start (space heating or domestic water heating) .................................... 161
13.3.3 Symptom: The system is making gurgling noises after commissioning................................................................ 161
13.3.4 Symptom: The pump is blocked............................................................................................................................. 162
13.3.5 Symptom: The pump is making noise (cavitation) ................................................................................................ 162
13.3.6 Symptom: The pressure relief valve opens ........................................................................................................... 162
13.3.7 Symptom: The water pressure relief valve leaks................................................................................................... 163
13.3.8 Symptom: The space is NOT sufficiently heated at low outdoor temperatures .................................................. 164
13.3.9 Symptom: The pressure at the tapping point is temporarily unusually high ....................................................... 165
13.3.10 Symptom: Decoration panels are pushed away due to a swollen tank................................................................ 165
13.3.11 Symptom: Tank disinfection function is NOT completed correctly (AH-error) .................................................... 165
13.4 Solving problems based on error codes................................................................................................................................. 165
13.4.1 Error codes: Overview............................................................................................................................................ 166
This chapter describes what you have to do in case of problems.
It contains information about:
▪ Solving problems based on symptoms
▪ Solving problems based on error codes
Before troubleshooting
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 shunt 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
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