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Problem Symptoms and Measures
SiUS04-924
68
Service Diagnosis
2. Problem Symptoms and Measures
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 75.2°F(24°C) or
higher (only for heat pump model), and cooling
operation cannot be used when the outside
temperature is below 10.4°F(
12°C).
*
—
Diagnosis with remote controller
indication
—
72
Check the remote controller
addresses.
Check to make sure that 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 air temperature.
Heating operation cannot be used when the
outdoor air temperature is 75.2°F(24°C) or
higher (only for heat pump model), and cooling
operation cannot be used when the outside
temperature is below 10.4°F(
12°C).
*
—
Diagnosis with remote controller
indication
—
72
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 controller
indication
—
72
Diagnosis by service port pressure
and operating current
Check for insufficient gas.
110
Large operating noise and
vibrations
Check the output voltage of the power
transistor.
—
111
Check the power transistor.
—
—
Check the installation condition.
Check to make sure that the required spaces for
installation (specified in the Engineering Data
Book, etc.) are provided.
—
*
0°F(
17.8°C)
with low ambient setting: see Page 42.
Содержание FTXS30HVJU
Страница 1: ...SiUS04 924 Applied Models Inverter Pair Heat Pump Inverter Pair Wall Mounted Type H Series ...
Страница 8: ...SiUS04 924 List of Functions 1 Part 1 List of Functions 1 List of Functions 2 ...
Страница 10: ...SiUS04 924 Specifications 3 Part 2 Specifications 1 Specifications 4 ...
Страница 50: ...Control Specification SiUS04 924 Function and Control 43 ...
Страница 53: ...Instruction SiUS04 924 46 Operation Manual 2 Instruction 2 1 Remote Controller ...
Страница 54: ...SiUS04 924 Instruction Operation Manual 47 operation ...
Страница 55: ...Instruction SiUS04 924 48 Operation Manual 2 2 AUTO DRY COOL HEAT FAN Operation ...
Страница 56: ...SiUS04 924 Instruction Operation Manual 49 ...
Страница 58: ...SiUS04 924 Instruction Operation Manual 51 fins fins fins fins angles Inside ...
Страница 60: ...SiUS04 924 Instruction Operation Manual 53 2 5 INTELLIGENT EYE Operation fins above ...
Страница 61: ...Instruction SiUS04 924 54 Operation Manual ...
Страница 62: ...SiUS04 924 Instruction Operation Manual 55 2 6 POWERFUL Operation ...
Страница 63: ...Instruction SiUS04 924 56 Operation Manual 2 7 OUTDOOR UNIT QUIET Operation ...
Страница 64: ...SiUS04 924 Instruction Operation Manual 57 2 8 ECONO Operation ...
Страница 65: ...Instruction SiUS04 924 58 Operation Manual 2 9 TIMER Operation ...
Страница 66: ...SiUS04 924 Instruction Operation Manual 59 ...
Страница 69: ...Instruction SiUS04 924 62 Operation Manual ...
Страница 70: ...SiUS04 924 Instruction Operation Manual 63 ...
Страница 71: ...Instruction SiUS04 924 64 Operation Manual ...
Страница 72: ...SiUS04 924 Instruction Operation Manual 65 3P228444 2B ...
Страница 132: ...Indoor Unit SiUS04 924 Removal Procedure 125 10 Remove the shelter 11 Internal layout Step Procedure Points R9509 R9510 ...
Страница 193: ...SiUS04 924 187 Appendix Part 9 Appendix 1 Piping Diagrams 188 2 Wiring Diagrams 189 ...