Troubleshooting; Overview: Troubleshooting; Precautions When Troubleshooting - Daikin ETSHB16P30EF Installer's Reference Manual

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Troubleshooting

14 Troubleshooting
In this chapter

14.1 Overview: Troubleshooting

14.2 Precautions when troubleshooting

Installer reference guide
252
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 .................................................................................................................................................... 252
14.2 Precautions when troubleshooting........................................................................................................................................ 252
14.3 Solving problems based on symptoms................................................................................................................................... 253
14.3.1 Symptom: The unit is NOT heating or cooling as expected .................................................................................. 253
14.3.2 Symptom: Hot water does NOT reach the desired temperature ......................................................................... 254
14.3.3 Symptom: The compressor does NOT start (space heating or domestic water heating) .................................... 254
14.3.4 Symptom: The system is making gurgling noises after commissioning................................................................ 254
14.3.5 Symptom: The pump is blocked............................................................................................................................. 255
14.3.6 Symptom: The pump is making noise (cavitation) ................................................................................................ 255
14.3.7 Symptom: The pressure relief valve opens ........................................................................................................... 256
14.3.8 Symptom: The water pressure relief valve leaks................................................................................................... 256
14.3.9 Symptom: The space is NOT sufficiently heated at low outdoor temperatures .................................................. 257
14.3.10 Symptom: Tank disinfection function is NOT completed correctly (AH-error) .................................................... 258
14.4 Solving problems based on error codes................................................................................................................................. 258
14.4.1 To display the help text in case of a malfunction.................................................................................................. 258
14.4.2 Error codes: Overview............................................................................................................................................ 259
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
EPRA14~18DAV3+W1 + ETSH/X(B)16P30+50EF
Daikin Altherma 3 H HT ECH₂O
4P679467-1 - 2022.02