Troubleshooting; Overview: Troubleshooting; Precautions When Troubleshooting - Daikin ERGA06EAV3H Installer's Reference Manual

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Troubleshooting

15 Troubleshooting
In this chapter

15.1 Overview: Troubleshooting

15.2 Precautions when troubleshooting

Installer reference guide
254
Contact
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.
1 Go to [8.3]: Information > Dealer information.
15.1 Overview: Troubleshooting .................................................................................................................................................... 254
15.2 Precautions when troubleshooting........................................................................................................................................ 254
15.3 Solving problems based on symptoms................................................................................................................................... 255
15.3.1 Symptom: The unit is NOT heating or cooling as expected .................................................................................. 255
15.3.2 Symptom: Hot water does NOT reach the desired temperature ......................................................................... 256
15.3.3 Symptom: The compressor does NOT start (space heating or domestic water heating) .................................... 256
15.3.4 Symptom: The system is making gurgling noises after commissioning................................................................ 256
15.3.5 Symptom: The pump is blocked............................................................................................................................. 257
15.3.6 Symptom: The pump is making noise (cavitation) ................................................................................................ 257
15.3.7 Symptom: The pressure relief valve opens ........................................................................................................... 258
15.3.8 Symptom: The water pressure relief valve leaks................................................................................................... 258
15.3.9 Symptom: The space is NOT sufficiently heated at low outdoor temperatures .................................................. 259
15.3.10 Symptom: Tank disinfection function is NOT completed correctly (AH-error) .................................................... 260
15.4 Solving problems based on error codes................................................................................................................................. 260
15.4.1 To display the help text in case of a malfunction.................................................................................................. 260
15.4.2 Error codes: Overview............................................................................................................................................ 261
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
ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF
Daikin Altherma 3 R ECH₂O
4P678716-1 - 2022.01