2
|
Troubleshooting
Main
Sub code
code
Main Sub 1 Sub 2
UA
00
03
16
17
18
19
20
21
22
23
25
26
27
28
29
30
31
35
38
39
43
49
50
51
53
UF
01
05
11
UH
01
02
E-1
-
E-2
-
Service manual
196
Combination Abnormality
Combination Abnormality - Mix of R22, R407C, R410A Type Units Detected
Combination Abnormality - More Than 64 Indoor Units Detected On Same System
Combination Abnormality - Local Setting Abnormality
Combination Abnormality - Outdoor Unit Not Compatible With Indoor Units
(Refrigerant Type)
Combination Abnormality - Local Set Alarm
Combination Abnormality - Non Compatible Outdoor Unit in Multi Combination
Combination Abnormality - BPMK Unit(s) Detected
Branch Selector Box Abnormality – Single installation
Branch Selector Box Abnormality –Connected Indoor Unit Index too High
Branch Selector Box Abnormality –Transmission wire Abnormality between Branch
Selector Box and Outdoor Unit
Branch Selector Box Abnormality - Transmission wire Abnormality between Branch
Selector Box and Connected Indoor Units
Branch Selector Box Abnormality – No Branch Selector Box Detected
Branch Selector Box Abnormality –Non-compatible Branch Selector Box Detected
Branch Selector Box Abnormality – Connected Indoor Unit Index too Low
Combination Abnormality – Heat Pump and Heat Recovery Outdoor Units Detected
in Same Combination
Combination Abnormality - REMQ-U Unit Detected Without a Multi Combination
Combination Abnormality - REMQ-U Unit Detected in Wrong Combination
Combination Abnormality - Altherma Hydro Unit(s) Detected
Combination Abnormality - Incorrect Combination
Combination Abnormality - Incorrect Combination
Combination Abnormality - Wrong unit Combination
Combination Abnormality - High Temperature Hydrobox Detected Connected to a
BS Unit
Combination Abnormality - Only Hydrobox Units Detected
Branch Selector Box Abnormality – Branch Selector Box Dip Switch Abnormality
Wiring and Piping Mismatch - Auto Address Inconsistency on F1-F2 Transmission
Wiring and Piping Mismatch - Stop Valve(s) Closed or Incorrect
Wiring and Piping Mismatch - Excess Connection Ratio
Auto Address Failure, Wiring Error
Auto Address Failure
Refrigerant Leak Check is not possible
Refrigerant Leak Check cannot be performed - Indoor Air Temperature is out of
range.
Description
REYQ8~20+REMQ5U7Y1B
VRV IV+ Heat Recovery
ESIE18-15B – 2020.05
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