Troubleshooting; Overview: Troubleshooting; Precautions When Troubleshooting - Daikin Altherma 3 R ECH2O 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
266
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 .................................................................................................................................................... 266
15.2 Precautions when troubleshooting........................................................................................................................................ 266
15.3 Solving problems based on symptoms................................................................................................................................... 267
15.3.1 Symptom: The unit is NOT heating or cooling as expected .................................................................................. 267
15.3.2 Symptom: Hot water does NOT reach the desired temperature ......................................................................... 268
15.3.3 Symptom: The compressor does NOT start (space heating or domestic water heating) .................................... 268
15.3.4 Symptom: The system is making gurgling noises after commissioning................................................................ 269
15.3.5 Symptom: The pump is blocked............................................................................................................................. 270
15.3.6 Symptom: The pump is making noise (cavitation) ................................................................................................ 270
15.3.7 Symptom: The pressure relief valve opens ........................................................................................................... 271
15.3.8 Symptom: The water pressure relief valve leaks................................................................................................... 271
15.3.9 Symptom: The space is NOT sufficiently heated at low outdoor temperatures .................................................. 272
15.3.10 Symptom: Tank disinfection function is NOT completed correctly (AH-error) .................................................... 273
15.4 Solving problems based on error codes................................................................................................................................. 273
15.4.1 To display the help text in case of a malfunction.................................................................................................. 273
15.4.2 Error codes: Overview............................................................................................................................................ 274
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.
DANGER: RISK OF ELECTROCUTION
DANGER: RISK OF BURNING/SCALDING
ERLA11~16DAV3+W1 + EBSH/X(B)11+16P30+50DF
Daikin Altherma 3 R ECH₂O
4P663482-1B - 2022.07