Fujitsu R407C User Manual

ERROR
CONTENTS
CAUSE
COUNTERMEASURE
Outdoor
thermistor error
1. Check if the connector of outdoor
temperature thermistor THH0 loosens
or comes off.
2. Check the resistance of outdoor
temperature thermistor THH0. If it's
abnormal, replace thermistor.
1. Connector contact is faulty.
2. Outdoor temperature
thermistor THH0 is faulty.
10
Suction
thermistor error
11 Heat exchanger
inlet
thermistor 1
error
1. Check if the connector of heat
exchanger inlet thermistor THHI1
loosens or comes off.
2. Check the resistance of heat
exchanger inlet thermistor THHI1. If it's
abnormal, replace thermistor.
1. Connector contact is faulty.
2. Heat exchanger inlet
thermistor THHI1 is faulty.
Heat exchanger
inlet
thermistor 2
error
1. Connector contact is faulty.
2. Heat exchanger inlet
thermistor THHI2 is faulty.
Heat exchanger
inlet
thermistor 3
error
1. Connector contact is faulty.
2. Heat exchanger inlet
thermistor THHI3 is faulty.
Heat exchanger
outlet
thermistor 1
error
1. Error occurrence condition
Each thermistor condition,
which is short or open,
is detected.
2. Relevant operation
1) All Compressors are
stopped.
*For suction temperature
thermistor error,
compressors are not stopped.
2) Error is displayed on LED of
outdoor unit and output to
communication bus line.
*For suction temperature
thermistor error, error is only
displayed on LED of outdoor
unit.
3. Clearance
Thermistor detection is
other than short or open.
1. Connector contact is faulty.
2. Heat exchanger outlet
thermistor THHO1 is faulty.
1. Connector contact is faulty.
2. Heat exchanger outlet
thermistor THHO2 is faulty.
1. Connector contact is faulty.
2. Heat exchanger outlet
thermistor THHO3 is faulty.
1. Connector contact is faulty.
2. Suction temperature
thermistor THS is faulty.
12
13
14
15
16
17
Heat exchanger
outlet
thermistor 2
error
Heat exchanger
outlet
thermistor 3
error
1. Check if the connector of heat
exchanger inlet thermistor THHI2
loosens or comes off.
2. Check the resistance of heat
exchanger inlet thermistor THHI2. If it's
abnormal, replace thermistor.
2. Check the resistance of heat
exchanger inlet thermistor THHI3. If it's
abnormal, replace thermistor.
1. Check if the connector of heat
exchanger thermistor THHI3
loosens or comes off.
1. Check if the connector of heat
exchanger outlet thermistor THHO1
loosens or comes off.
2. Check the resistance of heat
exchanger thermistor THHO1. If it's
abnormal, replace thermistor.
1. Check if the connector of heat
exchanger outlet thermistor THHO2
loosens or comes off.
2. Check the resistance of heat
exchanger outlet thermistor THHO2.
If it's abnormal, replace thermistor.
1. Check if the connector of heat
exchanger outlet thermistor THHO3
loosens or comes off.
2. Check the resistance of heat
exchanger outlet thermistor THHO3.
If it's abnormal, replace thermistor.
1. Check if the connector of suction
temperature thermistor THS
loosens or comes off.
2. Check the resistance of suction
temperature thermistor THS.
If it's abnormal, replace thermistor.
ERROR
CODE
05-19

Fujitsu R407C Specifications

General

Brand	Fujitsu
Model	R407C
Category	Air Conditioner
Language	English