Toshiba MMU-P0121H Service Manual page 44

3-6-2-2. Remote controller with timer
RBC-AT1E
1. Operation for CHECK display
When pushing the CHECK switch, the indoor unit No. (Group address No.) which sends the check code is
displayed in the set up temp. display section, and check code is displayed in the TIME display section.
If FILTER display (air filter cleaning sign) is present, the indoor unit No. which sends the filter signal is
displayed in the set up temp. display section, and then the check code is displayed. (1 display for 3 seconds)
LCD display STANDBY is present.
• When phase-sequence of power wiring is incorrect
• When combination of indoor units is over capacity.
• Indoor unit with command excepted by operation mode select switch
• When there is an indoor unit which stopped with the indoor overflow alarm "0b".
• Indoor unit with cooling operation command excepted by heating priority control
CHECK switch
Push for 0.5 seconds to display CHECK code.
Push for 3 seconds to reset indoor microprocessor.
(While indoor microprocessor is locked by ALL STOP alarm)
Push for 10 seconds to clear check data.
MODE FAN
FAN ONLY AUTO PREHEAT
COOL HIGH DEFROST
MED OPERATION
HEAT LOW STANDBY
FIX FILTER
TEMP CHECK LOUVER
UNIT DEMAND MANUAL
˚C
˚F
TIMER
CONT.OFF ON ADDRESS
AFTER H M
(This display is for remote control with timer.)
3-41
REMOTE CONTROLLER
MODE
TIMER ADJUST
CHECK FILTER
ON/OFF
RESET switch
Push the switch in
the hole with pin.
The remote controller
resets initialized.
(All data is cleared.)