48
SS300 Service Information (3-2017)
TROUBLESHOOTING
Icon
Code
Fault Condition
Reason
Correction
0x072A
EC-H2O Cell
Electrode Fault
Cell current is operating below
allowed operating condition.
See the NanoClean
troubleshooting guide. Replace
plumbing half of ec-H2O module.
0x0726
EC-H2O E-Cell
Short load Fault
1. Module damage.
2. Metal debris inside e-call
3. Electronic event
Repair harness if possible.
Replace EC-H2O NanoClean
Module plumbing kit.
Replace EC-H2O NanoClean
controller kit.
0x0741
EC-H2O WCM
Pump Open
Warning
Wiring, connector or control board
issue on ec-H2O pump.
Check if Water Conditioning
Module micro pump is connected
to machine harness and verify
pump is operable.
0x0746
EC-H2O WCM
Pump Short
Warning
1. Shorted load condition.
2. Some higher current draw than
hardware design limit.
Check harness and verify Water
Conditioning Module micro pump
is operable.
0x0747
EC-H2O WCM
Pump FET Fault
1. Control board problem.
2. Power/battery issue on startup.
Replace control board. FET
detection includes motor,
actuator, detergent pump,
vacuum, and battery watering
pump.
0x0781
Detergent Tank
Empty
1. Flashing icon indicates detergent
tank level is too low to operate
correctly.
2. Detergent tank switch connector
unplugged.
3. Scrub Controller connector J4
unplugged.
4. Scrub Controller connector J4
pin 4 disconnected.
Refill detergent tank to clear
indicator. If fault persists, check
connections/wiring.
FAULTS (Cont’d)