14 Troubleshooting
In this chapter
14.1 Overview: Troubleshooting
14.2 Precautions when troubleshooting
EPRA14~18D + ETVH16SU18+23E
Daikin Altherma 3 H HT F
4P644738-1A - 2022.03
INFORMATION
This unit is a heating only model. Therefore, all references to cooling in this
document are NOT applicable.
14.1
Overview: Troubleshooting .................................................................................................................................................... 251
14.2
Precautions when troubleshooting........................................................................................................................................ 251
14.3
14.3.1
14.3.2
14.3.3
14.3.4
14.3.5
Symptom: The pump is blocked............................................................................................................................. 254
14.3.6
14.3.7
14.3.8
14.3.9
14.4
14.4.1
14.4.2
Error codes of the unit ........................................................................................................................................... 258
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
14
Troubleshooting
|
Installer reference guide
251