Waterous 200-B, Installation & Maintenance Manual

Page: 31 / 54

Waterous 200-B Belt-Driven Installation Guide Rev-
Page 31 of 54
SECTION 14. TROUBLESHOOTING
A. CAFS
Observed
Symptom
Probable Cause Suggested Remedy
Lack of air pressure
from compressor
Lack of air supply to
clutch (for air-clutch
systems)
Repair air leak or re-establish air supply
Compressor not
engaging
No PTO engagement
Confirm OK TO PUMP light is on, if not check wiring for damage
or disconnected wire, check PTO.
Compressor
engaging. No air
supply to
discharges or
insufficient air
supply.
Auto-Sync switches not
in correct position.
Confirm 40 PSI in UNLOAD position (200 CFM systems) and
50+ in run position.
Smaller compressors have lower UNLOAD pressures.
Verify when in FIXED/RUN whether pressure reflects 145-150
PSI
(electric valves) Verify
there is power to the air
solenoid and check
operation of solenoid.
Air discharge solenoid not working.
Repair/replace solenoid
Air solenoid working - leak between solenoid and discharge.
Repair leak.
Air check valve defective Replace or correct installation.
Trim valve out of
adjustment
Refer to trim valve instructions
Restricted minimum
pressure valve
Clean rust or debris from valve
Air plumbed before
discharge valve seal
Relocate to discharge side of discharge valve
Incorrect air line size Size according to discharge and replace line with correct size.
System functioning
correctly, pressure
gauge reading
obviously incorrect.
Gauge malfunction, air
line detached
Check for air leaks, replace gauge
FIXED has
pressure but AUTO
has no pressure
No water supply to
balance valve. Check line for proper installation, with no kinks or obstructions.
Refer to trim valve instructions.
Air discharge
pressure too high
Red hose circuit
(compressed air control)
has leak or is
disconnected.
Repair leak or attach hose