Service Manual Instruction Manual
R&M Materials Handling, Inc. 
4501 Gateway Boulevard 
Springfield, Ohio 45502 
P.: (937) 328-5100 
FAX: (937) 325
-
5319
59/83 
R&M Materials Handling, Inc. reserves the right to alter or amend the above information without notice.
3.3.2  Fault Counter 
V4.5.1  Fault Counter  Fault counter value. 
Counter value is shown in format 
Fault counter value. Fault number. 
E.g. 12.01 means that there has been 12 pieces overcurrent 
faults.  
    When counter value is blinking, then you can monitor fault 
counter values by pressing up and down arrows. 
  xx.01 
xx.02 
xx.03 
xx.07 
xx.09 
xx.10 
xx.11 
xx.12 
xx.13 
xx.14 
xx.25 
xx.41 
xx.53 
xx.56 
xx.57 
xx.61 
xx.62 
xx.63 
xx.99 
Overcurrent fault counter 
Overvoltage fault counter 
Earth fault counter 
Saturation trip fault counter 
Undervoltage fault counter 
Input line supervision fault counter 
Output phase supervision fault counter 
Braking chopper supervision fault counter 
Inverter undertemperature fault counter 
Inverter overtemperature fault counter 
Microprocessor watchdog-fault counter 
IGBT temperature fault counter 
Profibus communication error fault counter 
Generator side current limit fault counter 
Thermistor fault counter 
Overspeed fault counter 
Speed difference fault counter 
Stall supervision fault counter 
Sum counter of following faults: 
F4, F5, F8, F22, F23, F24, F26, F32, F33, F34, F35, F36, F37, F38, F39, F40, F48, F50, F54, F55, 
F60, F64, F65, F71, F72 
V4.5.2  Total Faults  Total number of all faults. 
3.4  Inverter Alarm codes 
Alarm is a sign of an unusual operating condition. Alarm remains in the display for about 30 seconds. 
Alarm code  Possible cause  Checking 
A 16 
Motor overtemperature 
Mathematical motor temperature model has 
detected motor overheating. Motor is 
overloaded. 
Check: 
motor load 
if no overload exists, then check motor temperature model 
parameters 
A 50 
Reference value alarm 
Analog input signal is out of selected range 1-
9V or 2-10V 
control cable is broken 
signal source has failed 
Check: 
reference cable 
reference source 
A 80 
Multistep sequence alarm 
Controller does not operate accurately 
Check: 
controller 
A 82 
Overweight alarm 
Motor load is over adjusted value 
Check: 
Overweight limit value 
A 83 
Slack cable alarm 
Motor load is under adjusted value 
Check: 
Slack cable limit value 










