2 fault counter, 4 inverter alarm codes – R&M Materials Handling VARIABLE SPEED CONTROLS ControlMaster Plus Service Manual User Manual

Page 59

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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

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