117
Troubleshooting
(1.1.8 Abnormalities of Devices)
Incorrect Optional
Setting
The Comp.
does not Stop
or Start even
if the Setting
temperature
on LCD is
Changed *3)
Check Setting Condition
of "Thermistor of
Remote Control Switch"
by Optional Setting
* Setting and Control
"00": Control by Indoor
Thermistor for
Suction Air
"01": Control by
Thermistor of
Remote Control
Switch
"02": Control by
Average Value of
Indoor Thermistor
for Suction Air
and Thermistor of
Remote Control
Switch
In case that
thermistor of remote
control switch is not
used, set it at "00".
Incorrect
Input/Output Setting
Check Setting Condition
of "i1" and "i2" by
Input/Output Setting
* Setting and Control
"01": Room Thermostat
(Cooling)
"02": Room Thermostat
(Heating)
In case that room
thermostat is not
used, set for input
signal actually used.
If no signal is used,
set it at "00".
Cause Check Item
Action
(Turn OFF Main Switch)
Phenomenon
*3): Even if controllers are normal, the compressor does not operate under the following conditions.
* Indoor Air Temp. is lower than 70°F(21°C) or Outdoor Air Temp. is lower than 23°F(-5°C) during cooling operation.
* Indoor Air Temp. is higher than 86°F(30°C) or Outdoor Air Temp. is higher than 74°F(23°C) during heating operation.
* When a cooling (or heating) operation signal is given to the outdoor unit and a dierent operation signal is given to
indoor units.
* When demand signal or emergency stop signal is given to outdoor unit.
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