Mitsubishi Electric PFD-P250 Installation Manual page 15

Phenomenon
Not appear "
Not disappear of "HO"
Appear "
Operates or stops the unit without push
the remote controller button
mission lines, and incorrect polarity.
* Do not measure the resistance of transmission lines.
Turn main power supply on before 12 hours or more.
1
2 Start test run by the remote controller.
3 Stop the unit by the remote controller.
Test run complete.
4
Notes: 1 An error code will be appeared on the remote controller if the Fault lamp on the indoor unit is lit during test run. Refer to the Outdoor Units Installation Manual
for details of error codes.
2 Set DIP SW as following to ON if operation cannot be continued at low-load during test run. Always set DIP SW as following to OFF after completing test run
Item Operation details
Operate from external input.
1
Item Operation details
1 Operation status
from remote controller.
2 Fault Stop air-conditioner at fault.
Cause
Main setting: SW1 ON
Sub setting: SW1 OFF
Operation procedure
Air-conditioner operates or stops.
Remote controller display changes.
Device connected to output termi-
nal responds.
-
tioner.
Description
The power will not be supplied to MA remote controller after
The units cannot operate if transmission line is incorrect.
Measures required
Measures required
-
15