Hitachi FSXN Series Service Manual page 167

8 Troubleshooting
Phenomenon
The Comp.
does not Stop
or Start even
if the Setting
temperature
on LCD is
Changed *3)
Incorrect
Input/Output Setting
*1): Refer to: Self-checking of the remote control
*2): Refer to: Troubleshooting in the check mode by using the remote control
*3): Even if the controllers are correct, the compressor does not operate under the following conditions:
• Indoor air temperature is lower than 19 °C or the outdoor air temperature lower than -5 °C during the cooling operation.
• Indoor air temperature is higher than 30 °C or outdoor air temperature higher than 23 °C during the heating operation.
• When the cooling (or heating) operation signal is sent to the outdoor unit and a different mode as heating (or cooling)
operation signal is sent to the indoor units.
• When the demand or emergency stop signal is sent to the outdoor unit.
161
SMGB0065 rev. 1 - 12/2010
Cause
Check Setting Condition
of "Thermistor of
Remote Control Switch"
by Optional Setting
* Setting and Control
"00":
Incorrect Optional "01":
Setting
"02":
Check Setting Condition
of "i1" and "i2" by
Input/Output Setting
* Setting and Control
"01":
"02":
switch, see on page 265.
Check Item
(Turn OFF Main Switch)
Control by Indoor
Thermistor for
Suction Air
In case that
Control by
thermistor of remote
Thermistor of
control switch is not
Remote Control
used, set at "00".
Switch
Control by
Average Value of
Indoor Thermistor
for Suction Air
and Thermistor of
Remote Control
Switch
In case that room
thermostat is not
used, set for input
Room Thermostat signal actually used.
(Cooling)
If no signal is used,
Room Thermostat
set at "00".
(Heating)
switch, see on page 238.
Action
8