Arjohuntleigh Malibu Sovereign Maintenance And Repair Manual page 57

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
- LED 3 on in Service mode shows if disinfection gets signal from PCB
No function when
pressing button
Temperature can not
be regulated
Temperature adjust-
ment slow: shower/fill
-LED 2 in Service Mode shows if blower gets signal from PCB
Blower not working
-LED 6 in Service Mode shows if there is a scald signal from thermometer
Scalding protection
not working
Temp display: --.-
Tub scalding protec-
tion not working ,
temp. display shows
room temperature
Cause
DISINFECTION
Overlay defect, no
connection in control
box
TEMPERATURE REGULATION
Bad lubrication
Water supply
Mixer clogged/limed Check/replace cartridges
Cartridges worn out
AIR SPA
Control panel fault
No connection
Blown fuse
ELECTRONIC SCALDING PROTECTION
No connection
to sensor or Sensor/
cable shortcut
Bad connection
between sensor and
tub nipple
Action
Check cabling/control box
J 16
Replace control panel
Lubricate adjustment knob See page 50
Check temperature on
incoming water
and filters
Replace cartridges
Check function of control
panel
Check control box J18
power supply to blower
and J17 speed regulation
Check fuse inside blower
Check cabling to
sensor tub
Sensor fill -
control box J11
Sensor shower -
control box J12
Apply contact paste
57
Trouble shooting
Service
procedure
SP 8
SP 8
See
Control panel
See page 48