Service Manual Instruction Manual
R&M Materials Handling, Inc. 
4501 Gateway Boulevard 
Springfield, Ohio 45502 
P.: (937) 328-5100 
FAX: (937) 325
-
5319
60/83 
R&M Materials Handling, I
nc. reserves the right to alter or amend the above information without notice.
9  TROUBLESHOOTING TABLE 
If inverter doesn’t work, but any fault doesn’t found write down the following information before contacting to the supplier. 
GENERAL INFORMATION 
WORK NUMBER   
CUSTOMER REFERENCE   
DATE PUT IN OPERATION   
DATE OF FAILURE   
SHORT DESCRIPTION OF 
FAILURE, ERROR CODE 
INVERTER INFORMATION 
TYPE CODE    ACCELERATION 
TIME 
S 
SERIALNUMBER    DECELERATION 
TIME 
S 
CONTROL METHOD  MIN FREQ  Hz 
EP2    MAX FREQ  Hz 
EP3     
MS     
MOTOR INFORMATION 
TYPE CODE    NOMINAL VOLTAGE  S 
SERIALNUMBER    NOMINAL CURRENT  S 
U/F-CURVE  
(Travelling inverter)
  NOMINAL 
FREQUENCY 
Zero freq volt  %  NOMINAL SPEED   
U/f Mid volt  %  POWER FACTOR   
U/f Mid freq  Hz  PULSE SENSOR 
PULSE / REV  
(Hoisting inverter)
MEASURED VALUES 
INVERTER  MOTOR 
VOLTAGE 
PHASE-TO-PHASE 
L1-L2 
VAC 
L1-L3 
VAC 
L2-L3 
VAC 
NOMINAL CURRENT  U-V 
Ω
ΩΩ
Ω 
V-W 
Ω
ΩΩ
Ω 
W-U 
Ω
ΩΩ
Ω 
VOLTAGE 
PHASE-TO-GROUND 
L1 
VAC 
L2 
VAC 
L3 
VAC 
MEASURED 
CONTROL VOLTAGE 
V 










