Arjohuntleigh Malibu Sovereign Maintenance And Repair Manual page 58

MRM Malibu/Sovereign
Before starting to trouble shoot check:
Power supply, Water supply, LED:s on Panel and in Control box and emergency stop
Problem
Only scalding protec-
tion tub working
Temp display: --.-
No scalding protection
at all and both tem-
perature displays are
black
Scalding protection
active without water
fill/shower/tub (LED
on panel flashing)
Cause
No connection from
control box J10 to
thermometer
No connection/ ther-
mometer defect
DIP-switch set to Ser-
vice mode
Short cut in fill/
shower or tub sensor
Action
Check cable to J10
Replace thermometer
Check connection J8 in
Control box/replace ther-
mometer
No fault
Replace sensor
58
Service
procedure