3Com VFD-D D Refrigerator User Manual


 
Chapter 6 Fault Codes and Descriptions |DD Series
6-5
Display Description Corrective Actions
Emergency stop
1. When multi-function input terminals
MI1~MI5 are set to emergency stop, the
AC motor drive will stop output.
2. After fault is cleared, press RESET.
Password is locked
1. Keypad will be locked after three wrong
password inputs.
2. Please refer to the setting in Pr.00-06
and Pr.00-07.
3. Re-apply the power and input the right
password.
Illegal communication code
Check if the communication code is correct
(function code must be 03, 06, 10, 63)
Illegal data length
Check if the communication data length is
correct (00H~254H).
Illegal data value
Check if the data value exceeds its
minimum and maximum value.
Illegal communication address
Check if the communication address is
correct.
Communication time-out
It occurs when COM1
communication time-out
exceeds Pr.09-03 or when
COM2 communication time-out
exceeds Pr. 09-07
Check if the wiring for the communication
is correct.
Keypad (KPV-CE01)
communication time-out
It occurs when the source
command is digital keypad,
and COM1 communication
time-out exceeds Pr.09-03 and
COM2 communication time-out
exceeds Pr.09-07
1. Check if the wiring for the
communication is correct
2. Check if there is any wrong with the
keypad