Error Codes: Overview - Daikin EAVH16S23DA6V Installer's Reference Manual
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Also See for EAVH16S23DA6V:
- Installer's reference manual (104 pages) ,
- Installation manual (28 pages) ,
- User reference manual (24 pages)
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14.4.2 Error codes: Overview
Error codes of the unit
EPGA11~16DAV3(7) + EAVH/X16S18+23DA6V(7)+9W(7)
Daikin Altherma 3 H F
4P556070-1A – 2021.09
Error code
Detailed error code Description
7H
01
7H
04
7H
05
7H
06
7H
07
80
01
81
00
81
06
89
01
89
02
89
03
89
05
89
06
8F
00
8H
00
8H
03
A1
00
A5
00
AA
01
14
Troubleshooting
|
Water flow problem
Water flow problem during
domestic hot water production
Water flow problem during
heating/sampling
Water flow problem during
cooling/defrost
Water flow problem. Pump
deblocking active
Entering water thermistor
abnormality of outdoor unit
Leaving water temperature
sensor problem
Entering water temperature
thermistor abnormality
(indoor unit)
Heat exchanger freeze-up
protection activated during
defrost (error)
Heat exchanger freeze-up
protection activated during
heating / DHW
Heat exchanger freeze-up
protection activated during
defrost (warning)
Heat exchanger freeze-up
protection activated during
cooling (error)
Heat exchanger freeze-up
protection activated during
defrost (warning)
Abnormal increase outlet
water temperature (DHW)
Abnormal increase outlet
water temperature
Overheating water circuit
(thermostat)
Zero cross detection problem
OU: High pressure peak cut /
freeze protection problem
Backup heater overheated or
BUH power cable not connected
Installer reference guide
195
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