Super Multi System - Toshiba

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Fault code display
Self-diagnostic function
The remote controller, Multi Controller and outdoor unit have the facility to display fault codes which are
used to determine any malfunction of the system.
The remote controller is provided with a “check” button and a check display.
The Multi Controllers and outdoor units are provided with display switches and LED displays.
Initially malfunctions can be identified from the remote controller check display.
Details of the Multi Controller and outdoor unit malfunctions can be determined from their control boards.
(Multi Controller malfunctions are also displayed on the outdoor unit interface control board).
Fault code identification
When a malfunction has been identified, do not reset the system. Press the “CHECK” button on the remote
controller and observe the display.
The location and cause of the malfunction can be determined from the fault code.
MODE
FAN ONLY
COOL
HEAT
AUTO
FAN
AUTO
HIGH
MED
LOW
CENTRAL
OPERATION
STANDBY
PREHEAT
DEFROST
FILTER
TEMP CHECK LOUVER
UNIT MANUAL
88˚
TIMER CONT. OFF ON ADDRESS
88: 88
H M
C
MODE
“STANDBY” displayed
The total capacity rank settings of indoor units connected exceeds
the allowable level, or an indoor capacity rank is set at “0” (Multi
Controller).
-
CHECK FILTER
ON/OFF
NETWORK
REMOTE CONTROLLER
TIMER ADJUS T
+
“CHECK”
Flashes when
phases are rotated. Reset button
Pressing the reset button with a pin will clear the memory.
Check button
Pressing for 1 second will display fault codes.
Pressing for 5 seconds will reset the indoor unit microprocessor.
Pressing for 10 seconds will clear only the fault codes.