motortronics CSD-402 - Chapter 7: Failure Indication; 7.1 Failures Requiring Manual Reset

CSD Series Variable Frequency AC Drive
MOTORTRONICS
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Chapter 7 - Failure Indication
7.1 Failure which cannot be manually reset.
7.2 Special Condition Indication
Fault
Code
Content Probable Cause What to Do
CPF
CPU software
error
High electronic noise
Install RC type
suppressor on all
contactor/brake coils
See section 3.5.2
EPR EEPROM error EEPROM is damaged See Section 7.6
-OV-
Over voltage in
stop mode
Detection circuit is damaged See Section 7.6
-LV-
Low voltage in
stop mode
1. Input voltage is too low
2. Current limit resistor (R1)
or fuse burned out - 400V
series units only
3. Detection circuit is
damaged
1. Correct input voltage
2. Change current limit
resistor or fuse
3. See Section 7.6
-OH-
Heatsink
overheat in stop
mode
1. Detection circuit is
damaged
2. Ambient temperature is
too high or ventilation is not
good
1. Limit ambient
temperature, clean
heatsink fins or improve
ventilation
2. See Section 7.6