Service Codes Dmc Control Unit - HAKO Scrubmaster B 120 R Service Booklet

9. Drive

9.2 Service codes DMC control unit

Code Name
Controller warning faults - Reduces only performance - Fault will reset itself (if possible)
1 Not used
2 Low Voltage
3 Not used
4 High Voltage
5 Drive Motor overheated
6 Drive Control Unit overheated
7 Parameters out of specification
8 First Power Up
Description
--
Low Battery voltage (U < 18V)
--
High Battery Voltage (typically during
braking) (U > 60V)
Machine is used outside it´s specification?
Machine is used outside it´s specification?
Cooling of the Drive Control Unit ok?
One or more parameters out of it´s
specification
Default parameters restored in FRAM
Remedy
--
Charge battery
--
Defective Battery? Excessive downhill ride?
Cool down the drive motor
Cool down the Drive Control Unit
Replace the Drive Control Unit
If permanent error, replace Drive Control Unit
Sheet 72