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SiAF332111E
Test Operation (4/5/10/12 HP Models)
Part 5 Field Settings and Test Operation
165
Caution
5.3.1 Error Codes and Corresponding Measures
Please check the remote controller connected with the indoor unit.
For the case with centralized controller used, refer to the installation manual included with it
under service manual.
No display on the remote controller
Connection and communication error occurred between the indoor unit and the remote
controller. Check wiring connection for the broken and loose.
To those doing piping work
To those doing electrical work
After test operation is completed, check whether the casing of the units has been attached and
whether the screws have been tightened before transferring the air conditioner to your
customer.
Error code
Description
Solution
E3
The outdoor unit stop valve is left closed
Open the gas side and liquid side stop valves.
The refrigerant is overcharged
Recalculate the piping length and refrigerant
charge, and recover the excessive refrigerant with
a refrigerant recovery device, to bring the
refrigerant amount to a normal level.
E4
F3
The outdoor unit stop valve is left closed
Open the gas side and liquid side stop valves.
The operation mode of the remote controller is
changed before performing test operation
Switch the operation mode of all indoor units to
cooling.
The refrigerant is insufficient
• Check if the refrigerant has been charged.
• Recalculate the additional refrigerant charge
based on the piping length and refill to the
adequate amount.
F6
The refrigerant is overcharged
Recalculate the piping length and refrigerant
charge, and recover the excessive refrigerant with
a refrigerant recovery device, to bring the
refrigerant amount to a normal level.
U3
Not performing test operation
Perform test operation.
U4
No power is supplied to the outdoor unit
Perform test operation.
UA
Not using dedicated indoor unit
Check if the indoor unit is special. If not, replace it.
UF
The outdoor unit stop valve is left closed
Open the gas side and liquid side stop valves.
Incorrect piping and wiring connection between
indoor and outdoor units
Check if the piping and wiring connection between
indoor and outdoor units are correct.
The operation mode of the remote controller is
changed before performing test operation
Switch the operation mode of all indoor units to
cooling.
UH
Incorrect signal wiring connection
Properly connect the wiring between units to the
terminal F1·F2 (TO IN/D UNIT) on the outdoor
unit's terminal board (X2M).
Summary of Contents for VRV S RXMQ10ARY1
Page 1: ...Service Manual Cooling Only 50 60 Hz RXQ4 5ARV1 RXMQ6ARV1 RXMQ8 10 12ARY1 SiAF332111E...
Page 369: ...SiAF332111E Wiring Diagrams Part 7 Appendix 363 RXMQ6ARV1 C 3D137051...
Page 370: ...Wiring Diagrams SiAF332111E 364 Part 7 Appendix RXMQ8ARY1 C 3D137060...
Page 371: ...SiAF332111E Wiring Diagrams Part 7 Appendix 365 RXMQ10 12ARY1 3D121610B...
Page 375: ...SiAF332111E Wiring Diagrams Part 7 Appendix 369 FXMQ40 50 63 80 100ARV1 3D127112 04 59...