Service And Maintenance; Error Codes - Mitsubishi Electric PAC-IF013B-E Manuel D'installation

6. Service and Maintenance

Error Codes

Code
Target air temperature thermistor (TH1) failure
P1
Ref. liquid temperature thermistor (TH2) failure
P2
Freezing/ overheating protection
P6
2-Phase temperature thermistor (TH5) failure
P9
Communication failure between remote controller
and interface controller board
E0 - E5
Communication failure between interface
unit and outdoor unit
E6 - E7
Fb Interface controller board failure
Abnormal refrigerant circuit
PL
HEX inlet temperature thermistor (TH11) failure
PU
DIP SW setting error
(Intelligent multiple outdoor unit controll)
"EE" or "System error 1"
Controller board is incompatible with this model.
System error 2
Incompatible controller board is mixed when multiple
System error 3
interface units are connected.
DIP SW 1-8 of some interface units are ON
System error 4
and those of the other interface units are OFF.
2 or more Interface units are connected with one
remote controller and manual step mode is
selected, but DIP SW1-8 are OFF.
"System error 5" or
"System error 6"
7 or more interface units are connected.
System error 11
(Up to 6 interface units can be connected.)
"6831" or Remote controller is incompatible with this model.
"Please wait" remains
displayed on the remote
controller for more than 6
minutes.
20
Error
• Check connection of thermistor.
• Check resistance value of thermistor.
• Check connection of thermistor.
• Check resistance value of thermistor.
• Check local system if air flow is reduced.
• Check outdoor fan motor.
• Check connection of thermistor.
• Check resistance value of thermistor.
• Check connection cable for damage or loose connections.
• Check system configuration of remote controller.
• Check that outdoor unit has not been turned off.
• Check connection cable for damage or loose connections.
• Refer to outdoor unit service manual.
• Replace interface controller board.
• Replace the 4-way valve.
• Check refrigerant pipes for disconnection or leakage.
• Refer to outdoor unit service manual.
• Check connection of thermistor.
• Check resistance value of thermistor.
• Set DIP SW 1-8 to "OFF", if system is single outdoor unit
• Connect between interface units and set Ref. address
• Install interface controller board that is compatible with
• Check all interface controller boards are compatible with PAC-
• Set DIP SW 1-8 of all interface units to ON, or SW1-8 of all
• Set SW1-8 of all interface units to ON if system is intelligent
• Disconnect between interface units and connect remote
• Connect 6 or less interface units in one system.
• Remote controller included in the package of PAC-IF013B-E
Action
0ºC 15.0 kΩ
10ºC 9.6 kΩ
20ºC 6.3 kΩ
30ºC 4.3 kΩ
For characteristics, refer to (P1) above.
For characteristics, refer to (P1) above.
(Refer to "3. System")
For characteristics, refer to (P1) above.
control.
of each outdoor unit. (See "3. System".)
PAC-IF013B-E or PAC-SIF013B-E.
IF013B-E or PAC-SIF013B-E.
interface units to OFF.
multiple outdoor unit controll.
controllers separately to each interface unit, if manual
step mode is selected and intelligent multiple outdoor unit
control is not selected.
is exclusive for PAC-IF013B-E or PAC-SIF013B-E. Use the
remote controller that has a drawing number "BH00J360" on the
bottom.