10
819.6247
Troubleshooting
Internal Air Valve-Operated Pumps Only
PROBLEM
CAUSE
SOLUTION
The pump will not cycle, or it cycles
once and stops.
The air valve is stuck or dirty.
Not enough air pressure supplied.
Disassemble and clean or repair the air.
Use filtered air.
Increase air pressure supply. Do not ex-
ceed maximum input pressure.
Remote Solenoid-Operated Pumps Only
PROBLEM
CAUSE
SOLUTION
The pump will not prime or loses prime.
The cycle rate is too low.
The check valves (20) are not sealing.
Fluid manifold not mounted with OUT
port up.
Increase cycle rate to 60 cpm.
Inspect the check valves, and replace
them if worn or damaged. See page 13.
Re-mount fluid manifold so OUT port is
up.
The pump leaks air or does not operate.
Air is supplied to Port A and Port B at
the same time.
Solenoid exhaust is plugged.
Replace both diaphragms (30).
See page 12.
Check your installation. See page 6.
Ensure that exhaust (G on page 6) is
free of obstructions.
Summary of Contents for AIR VA 8 810.6012
Page 18: ...18 819 6247 ...
