Service manual

11-10
CONTROL SYSTEM
SM DUO38 1-E.1 GB
11.17.7.2 1 Level Logic (used in all models except for floor/ceiling models)
P2 P3 Level
Don’t
care
1 Normal
Don’t
care
0 Overflow
Water Level
ANY
0
BLINK
NLOAD
OPER LED
LEVEL1
LEVEL2&3
LEVEL4
NORMAL
ON
Pump
OFF
ANY
0
ON
NLOAD
PUMP
OFF
ON
OPER
LED
OFF
Overflow
Water Level
Normal
BLINK
NLOAD is
forced to 0
8 min 8 min
Overflow when
unit is ON
Overflow when
unit is OFF
8 min
CONTENT