Daikin ERLA03DAV3, Руководство по установке для специалистов, Страница: 156 / 192

13 | Troubleshooting
Installer reference guide
156
ERLA EHFZ03S18DJ3V
Daikin Altherma 3 R F
4P596821-1A – 2020.05
13 Troubleshooting
If a malfunction occurs, is displayed on the home pages. You can press to
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.
In this chapter
13.1 Overview: Troubleshooting .................................................................................................................................................... 156
13.2 Precautions when troubleshooting........................................................................................................................................ 156
13.3 Solving problems based on symptoms................................................................................................................................... 157
13.3.1
Symptom: The compressor does NOT start (space heating or domestic water heating) .................................... 157
13.3.2 Symptom: The system is making gurgling noises after commissioning................................................................ 157
13.3.3 Symptom: The pump is blocked............................................................................................................................. 158
13.3.4 Symptom: The pump is making noise (cavitation) ................................................................................................ 158
13.3.5 Symptom: The pressure relief valve opens ........................................................................................................... 159
13.3.6 Symptom: The water pressure relief valve leaks................................................................................................... 159
13.3.7 Symptom: The space is NOT sufficiently heated at low outdoor temperatures .................................................. 160
13.3.8 Symptom: The pressure at the tapping point is temporarily unusually high ....................................................... 161
13.3.9 Symptom: Decoration panels are pushed away due to a swollen tank................................................................ 161
13.3.10 Symptom: Tank disinfection function is NOT completed correctly (AH-error) .................................................... 161
13.4 Solving problems based on error codes................................................................................................................................. 161
13.4.1
Error codes: Overview............................................................................................................................................ 162
13.1 Overview: Troubleshooting
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.
13.2 Precautions when troubleshooting
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