Daikin FTK Series User Manual

DAMA-SM-21-001 General Problem Symptoms and Check Items
Service Diagnosis 54
1. General Problem Symptoms and Check Items
Symptom Check Item Details
Reference
Page
The unit does not operates. Check the power supply. Check if the rated voltage is supplied. —
Check the type of the indoor unit. Check if the indoor unit type is compatible
with the outdoor unit.
—
Check the outdoor temperature. Cooling operation is not available when the
outdoor temperature is out of the operation
limit. Check the reference page for the
operation limit.
113
Diagnose with remote controller
indication
—57
Check the remote controller
addresses.
Check if address settings for the remote
controller and indoor unit are correct.
—
Operation sometimes stops. Check the power supply. A power failure of 2 to 10 cycles can stop air
conditioner operation. (Operation lamp OFF)
—
Check the outdoor temperature. Cooling operation is not available when the
outdoor temperature is out of the operation
limit. Check the reference page for the
operation limit.
113
Diagnose with remote controller
indication.
—57
The unit operates but does
not cool.
Check for wiring and piping errors in
the connection between the indoor
and outdoor units.
——
Check for thermistor detection errors. Check if the thermistor is mounted securely. —
Check for faulty operation of the
electronic expansion valve.
Set the unit to cooling operation, and check
the temperatures of the liquid pipe to see if
the electronic expansion valve works.
—
Diagnose with remote controller
indication.
—57
Diagnose by service port pressure
and operating current.
Check for refrigerant shortage.
—
Large operating noise and
vibrations
Check the output voltage of the power
module.
—94
Check the power module. — —
Check the installation condition. Check if the required spaces for installation
(specified in the installation manual) are
provided.
—

Daikin FTK Series Specifications

General

Brand	Daikin
Model	FTK Series
Category	Inverter
Language	English