Rotary HydroLift MC75, Original Instructions Manual

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15
TROUBLE SHOOTING
Code Description Troubleshooting steps
E0 CPU error The processor has detected an error. Press “x” to clear. If the problem continues, call
for service.
E1 Improper configuration The column has not been assigned a position, and is connected to a locked system.
Press “x” to clear. To add the column to the system, power down the column,
and then unlock the system. Power up the column, assign a position, then re-lock the
system.
E2 Improper column pairing Unless a column is run by itself in single mode, it must be selected and moved with it’s
pairing column. Press “x” to clear.
E3 Communication Error 1) Check for a loosened or unhooked communication cable. Reattach the cable and
press “x” to clear.
2) Check for a powered down column. If one column has been powered down, the
other columns must be powered down to re-initialize the system.
E4 Out of Level One or more columns in the system can not maintain level synchronization
1) Ensure that no columns are hung up on the safety locks
2) Check battery power
3) Check for overloading
Press “x” to clear. Individually move each column back into a level position. Once all
the columns are level, they may be moved as a group.
E5 Emergency Stop To restore operation, clear the emergency stop button at the indicated column.
E6 Potentiometer Error An error has occurred with the string potentiometer, and synchronization can no longer
be guaranteed. Follow manual lowering procedures.
E7 Short circuit detected A short has been detected in the lift actuators. Press “x” to clear. To determine the
faulty component, run the faulty column by itself. Press the buttons below in exact
order until the error is generated:
1) Up button (Error? Check/replace contactor)
2) Slow lower (Error? Check/replace small lowering valve)
3) Lower to locks (Error? Check/replace large lowering valve)
4) Down button (Error? Check/replace lock solenoid)
E8 Software mismatch Power down and disconnect the column from the system. Load the column with the
newest software code. To check the revision level of the software, insert a service
card. Revision level is indicated in the service menus as “r__”.
E9 Stuck Key A stuck keypad button or motion push button has been detected on startup, or a motion
push button has been held on for longer than 2-1/2 minutes.
E10 Display Communication Error Communication lost between display board and control board inside control cabinet.
Check cable connections.
E11 Low Battery Error Batteries reached critical level. Check battery charge.
CL Communication Loss Communication between columns has been lost temporarily during operation. Re-try
operation after release of button.
Display Unresponsive Turn off power and check wire connections on the display board for the keypad, the
push buttons, and the control board. Restart power and test.
Slow To Rise Overloaded, check battery and connections, dirt, debris, in oil system.
Lift Drifts Down Dirt, Debris, in oil system.
Receive Signal Strength Indicator (RSSI) (Inside Control Panel)
Each transceiver has 3 green LED’s near the serial port labeled (RSSI). When operating, these LED’s should all be on. If they are not
all on this indicates a poor signal do to a transceiver failure or antenna/ antenna cable problem.
E12 Battery Recharge Required
Batteries reached low level. Fully recharge the low batteries. Clear the error and lower
the system to the floor if necessary to replace with another column.