Fujitsu R407C Service Manual page 95

ERROR
ERROR
CODE
1. Error occurrence condition
10
Outdoor
thermistor error
2. Relevant operation
1) All Compressors are
11 Heat exchanger
inlet
thermistor 1
error
2) Error is displayed on LED of
12
Heat exchanger
inlet
thermistor 2
error
3. Clearance
13
Heat exchanger
inlet
thermistor 3
error
Heat exchanger
14
outlet
thermistor 1
error
15 Heat exchanger
outlet
thermistor 2
error
16
Heat exchanger
outlet
thermistor 3
error
17 Suction
thermistor error
CONTENTS
Each thermistor condition,
which is short or open,
is detected.
stopped.
*For suction temperature
thermistor error,
compressors stopped.
are not
outdoor unit and output to
communication bus line.
*For suction temperature
thermistor error, error is only
displayed on LED of outdoor
unit.
Thermistor detection is
other than short or open.
CAUSE
1. Connector contact is faulty.
2. Outdoor temperature
thermistor TH is faulty.
H 0
1. Connector contact is faulty.
2. Heat exchanger inlet
thermistor TH is faulty.
HI 1
1. Connector contact is faulty.
2. Heat exchanger inlet
thermistor TH is faulty.
H I2
1. Connector contact is faulty.
2. Heat exchanger inlet
thermistor TH is faulty.
H I3
1. Connector contact is faulty.
2. Heat exchanger outlet
thermistor TH is faulty.
HO1
1. Connector contact is faulty.
2. Heat exchanger outlet
thermistor TH is faulty.
HO2
1. Connector contact is faulty.
2. Heat exchanger outlet
thermistor TH is faulty.
HO3
1. Connector contact is faulty.
2. Suction temperature
thermistor TH is faulty.
S
05-19
COUNTERMEASURE
1. Check if the connector of outdoor
temperature thermistor TH
or comes off.
2. Check the resistance of outdoor
temperature thermistor TH
abnormal, replace thermistor.
1. Check if the connector of heat
exchanger inlet thermistor TH
loosens or comes off.
2. Check the resistance of heat
exchanger inlet thermistor TH
abnormal, replace thermistor.
1. Check if the connector of heat
exchanger inlet thermistor TH
loosens or comes off.
2. Check the resistance of heat
exchanger inlet thermistor TH
abnormal, replace thermistor.
1. Check if the connector of heat
exchanger thermistor TH
loosens or comes off.
2. Check the resistance of heat
exchanger inlet thermistor TH
abnormal, replace thermistor.
1. Check if the connector of heat
exchanger outlet thermistor TH
loosens or comes off.
2. Check the resistance of heat
exchanger thermistor TH
abnormal, replace thermistor.
1. Check if the connector of heat
exchanger outlet thermistor TH
loosens or comes off.
2. Check the resistance of heat
exchanger outlet thermistor TH
If it's abnormal, replace thermistor.
1. Check if the connector of heat
exchanger outlet thermistor TH
loosens or comes off.
2. Check the resistance of heat
exchanger outlet thermistor TH
If it's abnormal, replace thermistor.
1. Check if the connector of suction
temperature thermistor TH
loosens or comes off.
2. Check the resistance of suction
temperature thermistor TH
If it's abnormal, replace thermistor.
loosens
H 0
. If it's
H 0
HI 1
. If it's
HI1
HI2
. If it's
HI2
HI3
. If it's
HI3
HO1
. If it's
HO1
HO2
.
HO2
HO3
.
HO3
S
.
S