14 Troubleshooting
In this chapter
14.1 Overview: Troubleshooting
14.2 Precautions when troubleshooting
EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W
Daikin Altherma 3 H MT F
4P634886-1 - 2021.03
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.
14.1
Overview: Troubleshooting .................................................................................................................................................... 241
14.2
Precautions when troubleshooting........................................................................................................................................ 241
14.3
14.3.1
14.3.2
14.3.3
14.3.4
14.3.5
Symptom: The pump is blocked............................................................................................................................. 244
14.3.6
14.3.7
14.3.8
14.3.9
14.4
14.4.1
14.4.2
Error codes: Overview............................................................................................................................................ 249
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
14
Troubleshooting
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Installer reference guide
241