The Main Alarms Of Mis-Wiring & Mis-Setting; The Main Alarms Of Unit Troubles; The Main Alarms Of Power Supply Troubles - Sanyo CH2442 Installation Instructions Manual

12-8. The Main Alarms of Mis-wiring & Mis-setting
Remote
controller
display • In case of individual remote control
Nothing
• Remote controller not properly connected.
displayed
• Power supply not ON.
E1
• Remote controller not properly connected.
• Wiring connection fault of
indoor/outdoor units
E4
• Power supply of outdoor unit not ON.
• Combination of indoor/outdoor units is wrong.
E6
* Power supply of some indoor unit is not ON.
E9
(*)
P9 •Improper wiring connections of ceiling panel
* Ref: Alarm "P9" is not generated if the remote controller is set at test run.

12-9. The Main Alarms of Unit Troubles

Indoor protection Fan motor protection thermostat
Outdoor protection Fan motor protection thermostat
Compressor protection thermostat
Abnormal discharge temp.
High pressure switch
Indoor protection Float switch
Indoor sensor Open/or damaged
Outdoor sensor Open/or damaged
Compressor Compressor motor is overloaded.
protection
Compressor motor is locked.
Compressor current detection circuit is abnormal.
Low pressure protector is activated.

12-10. The Main Alarms of Power Supply Troubles

Outdoor protection Power supply voltage is abnormal.
(More than 260 V or less than 160 V between L and N phase)
Negative phase or defective phase
Compressor contactor (Mg SW) is chattering.
In case of group control
• Wiring connection fault of some indoor/outdoor units
inside the group
—
Trouble detected
Cause
Cause
In case of multiple remote control
—
• 2 main remote controllers set.
91 S4359146
Remote controller display
P1
P2
P3
P4
P10
F1-F3
F4-F9
H1
H2
H3
H6
Remote controller display
P2
P5
H18