87
U-Match Series DC
Inverter Service Manual
ƹ
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
ƹ
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 U-MATCH IV SERIES
Page 1: ...T1 R410A 50Hz GC201304 U MATCH SERIES DC INVERTERAIR CONDITIONERS SERVICE MANUAL...
Page 4: ...1 U Match Series DC Inverter Service Manual PRODUCT QSPEVDU...
Page 19: ...16 U Match Series DC Inverter Service Manual QSPEVDU 4 PIPING DIAGRAM...
Page 20: ...17 U Match Series DC Inverter Service Manual CONTROL DPOUSPM...
Page 22: ...19 U Match Series DC Inverter Service Manual DPOUSPM 1 2 Heating Operation...
Page 50: ...47 U Match Series DC Inverter Service Manual INSTALLATION...
Page 80: ...77 U Match Series DC Inverter Service Manual 7KUHH SKDVH a L1 L2 L3 N 1 2 LJXUH...
Page 81: ...78 U Match Series DC Inverter Service Manual MAINTENANCE...
Page 106: ...103 U Match Series DC Inverter Service Manual Model GUHD36NK3FO Model GUHD42NK3FO 0 0...
Page 164: ...JF00301816...