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SiENBE04-401A
Problem Symptoms and Measures
Service Diagnosis
105
2. Problem Symptoms and Measures
Note:
RK(X)S, ARK(X)S series ; –10°C
Symptom
Check Item
Details of Measure
Reference
Page
None of the Units
Operates.
Check the power supply.
Check to make sure that the rated voltage is
supplied.
—
Check the type of the indoor units.
Check to make sure that the indoor unit type is
compatible with the outdoor unit.
—
Check the outdoor air temperature.
Heating operation cannot be used when the
outdoor air temperature is 21°C or higher (only
for heat pump model), and cooling operation
cannot be used when the outdoor air
temperature is below 10°C. (Note)
—
Diagnosis with remote control
indication
—
109
Check the remote control addresses. Check to make sure that address settings for
the remote control 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 air temperature.
Heating operation cannot be used when the
outdoor air temperature is 21°C or higher (only
for heat pump model), and cooling operation
cannot be used when the outdoor air
temperature is below 10°C. (Note)
—
Diagnosis with remote control
indication
—
109
Equipment operates but
does not cool, or does not
heat (only for heat pump
model).
Check for wiring and piping errors in
the indoor and outdoor units
connection wires and pipes.
Conduct the wiring/piping error check described
on the product diagnosis nameplate.
—
Check for thermistor detection errors. Check to make sure that the main unit’s
thermistor has not dismounted from the pipe
holder.
—
Check for faulty operation of the
electronic expansion valve.
Set the units to cooling operation, and compare
the temperatures of the liquid side connection
pipes of the connection section among rooms to
check the opening and closing operation of the
electronic expansion valves of the individual
units.
—
Diagnosis with remote control
indication
—
109
Diagnosis by service port pressure
and operating current
Check for insufficient gas.
143
Large Operating Noise and
Vibrations
Check the output voltage of the
power transistor.
—
144
Check the power transistor.
—
—
Check the installation condition.
Check to make sure that the required spaces
for installation (specified in the Technical
Guide, etc.) are provided.
—
Содержание ARKH20CAVMB
Страница 19: ...List of Functions SiENBE04 401A 10 List of Functions ...
Страница 20: ...SiENBE04 401A Specifications 11 Part 2 Specifications 1 Specifications 12 1 1 Cooling Only 12 1 2 Heat Pump 20 ...
Страница 45: ...Specifications SiENBE04 401A 36 Specifications ...
Страница 81: ...Control Specification SiENBE04 401A 72 Function and Control ...
Страница 111: ...Instruction SiENBE04 401A 102 System Configuration ...
Страница 155: ...Check SiENBE04 401A 146 Service Diagnosis ...
Страница 225: ...Outdoor Unit RK X H C ARK X H C R Y N C SiENBE04 401A 216 Removal Procedure ...
Страница 226: ...SiENBE04 401A Others 217 Part 8 Others 1 Others 218 1 1 Test Run from the Remote Control 218 1 2 Jumper Settings 219 ...
Страница 229: ...Others SiENBE04 401A 220 Others ...
Страница 239: ...Wiring Diagrams SiENBE04 401A 230 Appendix ...