U-Match Series DC Inverter Service Manual
103
F3 Malfunction of Outdoor Ambient Temperature Sensor
Malfunction of
outdoor ambient
temperature
sensor
Check
if the outdoor ambient
temperature sensor on mainboard
is inserted on the needle stand
correctly
Disconnect
the temperature sensor and
measure if its resistance is
normal
Correctly insert the
temperature sensor on
the needle stand
Replace the
temperature sensor
Replace the
outdoor
mainboard
Yes
No
No
Yes
F4 Malfunction of Discharge Temperature Sensor
Malfunction of
discharge
temperature
sensor
Check if the
discharge temperature sensor on
mainboard is inserted on the
needle stand correctly
Disconnect
the temperature sensor and
measure if its resistance is
normal
Correctly insert the
temperature sensor
on the needle stand
Replace the
temperature sensor
Replace the
outdoor
mainboard
Yes
No
No
Yes
Summary of Contents for GKH18D3FI
Page 1: ...U MATCH SERIES DC INVERTER AIR CONDITIONERS SERVICE MANUAL T1 R410A 60Hz GC201410...
Page 4: ...U Match Series DC Inverter Service Manual 1 PRODUCT...
Page 16: ...U Match Series DC Inverter Service Manual 13 CONTROL...
Page 55: ...U Match Series DC Inverter Service Manual 52 INSTALLATION...
Page 96: ...U Match Series DC Inverter Service Manual 93 MAINTENANCE...
Page 112: ...U Match Series DC Inverter Service Manual 109 H6 DC fan error...
Page 121: ...U Match Series DC Inverter Service Manual 118 Model GUHD24ND3FO Model GUHD30ND3FO...
Page 122: ...U Match Series DC Inverter Service Manual 119 Model GUHD36ND3FO Model GUHD42ND3FO...
Page 126: ...U Match Series DC Inverter Service Manual 123 Model GKH48D3FI...
Page 191: ...U Match Series DC Inverter Service Manual 188 JF00302305...