Service manual
Troubleshooting by Remote Controller SiUS28-902_a
75 Troubleshooting
2.4 Operation of the Remote Controller’s Inspection / Test
Operation Button
Inspection/test
operation
Example model
FCQ18
FHQ30
Example of capacity code display
Display
056
090
Product classification
VRV system
VRV system
VRV system
VRV system
Display
1
2
F
H
Indoor unit system code
System classification
(VAV indoor unit)
Outdoor air processing unit
Standard indoor unit
New ceiling suspended cassette
Indoor unit type code
Typ e
Split system
Display
A 8 F
Outdoor model code
Model
RZQ-P
Unit
Malfunction code
Inspection
Normal display (No display)
0
L 0
Malfunction code blinks when a malfunction occurs.
Unit
Malfunction code
Inspection
Inspection mode
Push the button.
Inspection/test
operation
Push the button.
Inspection/test
operation
Push the button.
Inspection/test
operation
Push the button.
Inspection/test
operation
Push the button.
0
L 0
Indoor unit model code display
0 7 1
F C J
Outdoor unit model code display
– – –
A A 1
Test operation
Test operation mode
Capacity code
Indoor unit system code
Indoor unit type code
Progression code
0 7 1...
F...
C...
J...
Type
Wall mounted
Multi flow
Ceiling suspended
Display
A
C
H
Model
FAQ
FCQ
FHQ