125
PB
TROUBLESHOOTING
Malfunction of Power Supply from Indoor to Outdoor Unit
Y
Y
N
N
Y
N
Energize the unit
and wait for 3min
Voltage > 200V?
Measure voltage between
N 1and 3 of indoor
wiring block
Measure voltage
between L and N
of outdoor wiring
block
Normal wiring?
Voltage > 200V?
Indoor main board error
Adjust wiring
Outdoor electric
box error
indoor and outdoor
wiring error
Replace main board
of indoor unit
Replace outdoor
electric box
Replace indoor
and outdoor wiring
Remove malfunction
Inspect the power supply plug seat wit hAC voltage guage to check if voltage between L and N is within 200VAC‑240 VAC.
Check with AC voltage gauge if the voltage between N1 and 3 of indoor wiring block is within 200 VAC‑240AC
Summary of Contents for FSHW091
Page 8: ...8 INTRODUCTION FSHSW09A1A FSHSW12A1A Figure 102 Indoor Units FSHSW18A3A FSHSW24A3A FSHSW36A3A ...
Page 47: ...47 INSTALLATION ...
Page 48: ...48 INSTALLATION Installation Tools ...
Page 72: ...72 WIRED CONTROLLER Display ...
Page 122: ...122 TROUBLESHOOTING Malfunction of IDUFanMotorU8 Service Manual No Start End ...
Page 146: ...146 WIRING DIAGRAMS Figure 8054 9 12KOutdoorUnitWiringDiagrams 60000706067401 3 2 N 1 C3 C4 ...
Page 158: ...158 FIgure 906 PARTS CATALOG 9KOutdoorUnit 28 27 29 31 30 32 ...
Page 160: ...160 PARTS CATALOG 12k OutdoorUnit 28 27 29 31 30 32 FIgure 907 ...