Gullco GK-200-RL User Manual
Page 33

T-3
Er.6
If the GSP control does not receive encoder feedback after energizing the motor for two (2)
seconds, the control realises that either the motor is stalled or the encoder circuit is not working,
in which case the motor output is disabled and the error code displayed.
Er.7
Power supply problem – power supply (transformer) has a malfunction possibly due to low or high
input voltage.
Note: Whenever the control is powered down by the operator, Er .7 will be displayed.
Er. 55
Software not compatible -If any of the control boards (display, keypad, motor driver) are replaced
with incompatible revision this error will be displayed.
Er. 60
Display Error – the control display has encountered a problem.
Er. 70 Keypad Error – the control keypad has encountered a problem.