Page 40
WS2H and WS3 Drawings and Service Manual
Problem
Possible Cause
Solution
20. Err – 15010 = Motorized
Bypass or MAV for NHBP valve
motor ran too short (stalled)
while trying to drive
off-line
Motorized Alternating Valve =
MAV
No Hard Water Bypass = NHBP
a. Foreign material is lodged in
Motorized Bypass or MAV for
NHBP valve
b. Mechanical binding
a. Open up Motorized Bypass or MAV for
NHBP and check for foreign material.
Press NEXT and REGEN buttons
for about 3 seconds to resynchronize
software with piston position.
b. Check poppet drive assembly or
piston and seal/ stack assembly, check
reduction gears, drive gear interface,
and check Motorized Bypass or MAV
for NHBP black drive pinion on motor.
Press NEXT and REGEN buttons
for about 3 seconds to resynchronize
software with piston position.
21. Err – 15011 = Motorized
Bypass or MAV for NHBP valve
motor ran too short (stalled)
while trying to drive
on-line
Motorized Alternating Valve =
MAV
No Hard Water Bypass = NHBP
a. Foreign material is lodged in
Motorized Bypass or MAV for
NHBP valve
b. Mechanical binding
a. Open up Motorized Bypass or MAV for
NHBP and check for foreign material.
Press NEXT and REGEN buttons
for about 3 seconds to resynchronize
software with piston position.
b. Check poppet drive assembly or
piston and seal/ stack assembly, check
reduction gears, drive gear interface,
and check Motorized Bypass or MAV
for NHBP black drive pinion on motor.
Press NEXT and REGEN buttons
for about 3 seconds to resynchronize
software with piston position.
