SOR 1550 Top Mounted Level Switch - Manual (Page 7)

Form 865 (11.13) ©SOR Inc. 7/8
Troubleshooting
Symptom Probable Cause
Float in actuated position but no
output signal. a. No power supply.
b. Switch damaged. (Replace.)
Float in de-actuated positon but
still receiving an output signal. a. Switch damaged. (Replace.)
Liquid in vessel at the actuation
level but unit does not respond. a. Leaky or collapsed float. (Replace.)
b. Liquid specific gravity too low.
c. Float stem bound up or dirty. (Clean.)
d. Float travel is obstructed. Verify float
can move freely and is not obstructed
when installed.
Part Number Description
3130-091 W9 - SPST Hermetically Sealed Switch Capsule
3130-245 W1 - SPDT Hermetically Sealed Switch Capsule
3130-259 W1 - SPDT Switch/Conduit Connection Assembly (CK Option Only)
3130-107 L9 - SPST Hermetically Sealed Switch Capsule
3130-244 L1 - SPDT Hermetically Sealed Switch Capsule
3130-260 L1 - SPDT Switch/Conduit Connection Assembly (CK Option Only)
3101-122 316SS Float. (Consult factory for other materials.)
3130-396 Actuator Arm Replacement Kit
Replacement Parts