Error
Description
Possible Cause
Drive motor is not engaged with mating gear
Faulty drive motor or wiring
Reflectors on reduction gear are dirty or damaged
Circuit board is not properly engaged with drive bracket
Faulty encoder / main board
Debris jamming piston
Faulty drive motor
Faulty drive component creating drag
Main drive gear not properly engaged
Motor pinion slipping on shaft
Faulty motor or wiring
Missing engagement between bypass drive motor and main gear
Bypass drive motor not connected to main board
Faulty bypass drive motor or wiring
Debris jamming drive
Faulty drive component creating drag
Debris jamming drive
Faulty drive component creating drag
Missing engagement between separate source drive motor and main gear
Separate source drive motor not connected to system board
Faulty separate source drive motor or wiring
Debris in separate source valve
Faulty drive component creating drag
Faulty communication cable
Other unit has lost power or is in error mode
More than one unit is programmed as master
Error Codes
17002
Separate source inlet drive
error
Unexpected stall
1002
1001
1003
Run time to long
Encoder on main board is
not registering pulses
# Units
Master has lost
communication with another
unit
Bypass runtime to short
while trying to drive offline
Bypass motor runtime to
long
15003
15010
15011
Bypass runtime to short
while trying to drive online
17000
Separate source inlet drive
runtime to long
WS2H Control Valve Manual
Page 33
