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5. Before making a service call
If a problem arises, please see the following trouble-shooting tables. If the problem can not be
solved, please contact a Toshiba distributor.
5.1. Error message
Malfunction indications: Indicated by flashing LED display
Error Code
RAM built in Remote Keypad is abnormal.
raMe
If the same indication appears after resetting Remote Keypad, it needs to be repaired.
ROM built in Remote Keypad is abnormal.
roMe
If the same indication appears after resetting Remote Keypad, it needs to be repaired.
Micro controller unit of Remote Keypad is abnormal.
cpUe
If the same indication appears after resetting Remote Keypad, it needs to be repaired.
Is any key kept being pressed (for about 10 seconds)?
This indication will automatically cancel itself.
btNe
If the display shows the indication after turning off all keys, it needs to be repaired.
N.B.: In "REMOTE KEYPAD MODE" this is only alarm displaying. The operation keys are also
effective while the display is showing this alarm message.
EEPROM built in Remote Keypad is abnormal.
eePe
If the same indication appears after writing data again, it needs to be repaired.
Abnormal communication
Check the connection of the inverter's serial communication cable, Communication Mode Switch on
the reverse of Remote Keypad, the baud rate (inverter's parameter "f800") and transmission delay
coMe
time (inverter's parameter "f805" is recommended to be set to 0).
This indication will automatically cancel itself.
If abnormality is not found after checking and resetting Remote Keypad, it needs to be repaired.
5.2. Procedure to reset Remote Keypad
There are two methods to reset the micro controller unit inside Remote Keypad.
- Method 1:
Reset the power source of Remote Keypad.
- Method 2:
STOP
B
If [STOP] key is pressed while an error message is displayed, "clr" flashes for one second. If
you press the [STOP] key again when "clr" flashes, Remote Keypad will be reset.
Problem and Solutions
STOP
→
→
"clr"
- 16 -
B
E6581277
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