Daikin Altherma 3 R F Installer's Reference Guide

15 | Troubleshooting
Installer reference guide
265
ERLA11~16D + EBVH16SU23D
Daikin Altherma 3 R F
4P655196-1A – 2022.05
15 Troubleshooting
INFORMATION
This unit is a heating only model. Therefore, all references to cooling in this
document are NOT applicable.
In this chapter
15.1 Overview: Troubleshooting .................................................................................................................................................... 265
15.2 Precautions when troubleshooting ........................................................................................................................................ 265
15.3 Solving problems based on symptoms................................................................................................................................... 266
15.3.1 Symptom: The unit is NOT heating or cooling as expected .................................................................................. 266
15.3.2 Symptom: Hot water does NOT reach the desired temperature ......................................................................... 267
15.3.3 Symptom: The compressor does NOT start (space heating or domestic water heating) .................................... 267
15.3.4 Symptom: The system is making gurgling noises after commissioning................................................................ 267
15.3.5 Symptom: The pump is blocked............................................................................................................................. 268
15.3.6 Symptom: The pump is making noise (cavitation) ................................................................................................ 269
15.3.7 Symptom: The pressure relief valve opens ........................................................................................................... 269
15.3.8 Symptom: The water pressure relief valve leaks................................................................................................... 269
15.3.9 Symptom: The space is NOT sufficiently heated at low outdoor temperatures .................................................. 270
15.3.10 Symptom: The pressure at the tapping point is temporarily unusually high ....................................................... 271
15.3.11 Symptom: Tank disinfection function is NOT completed correctly (AH-error) .................................................... 271
15.4 Solving problems based on error codes................................................................................................................................. 271
15.4.1 To display the help text in case of a malfunction .................................................................................................. 272
15.4.2 Error codes: Overview............................................................................................................................................ 272
15.1 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.
15.2 Precautions when troubleshooting
DANGER: RISK OF ELECTROCUTION
DANGER: RISK OF BURNING/SCALDING

Daikin Altherma 3 R F Specifications

General

Type	Air-to-water heat pump
Refrigerant	R-32
Operating Temperature Range (Heating)	-25°C to 35°C
Operating Temperature Range (Cooling)	10°C to 46°C
Energy Efficiency Ratio (Heating)	A+++
Energy Efficiency Ratio (Cooling)	A++
Integrated Tank Capacity	230 L
Heating Capacity	4 - 16 kW (depending on model)