Troubleshooting Guide
Always turn off power before inspecting the pump. Failure to observe this precaution can
result in a serious accident.
Before ordering repairs, carefully read through this instruction booklet. If the problem per-
sists, contact your dealer.
Problem
Air pump does
not start
Air pump stops
after starting
Diminished
air flow rate or
no air flow
Possible Cause
Power is off
Power failure
Voltage drop/
Overload
Power cord is not
connected
Air pump is
overheating
Power/Current
overload
Kink/damaged tubing
Dirty filter media
Worn/damaged
diaphragm
Air line is submerged
below operating depth
Possible Solution
Turn power on
Check power supply or
contact local power company
Check/Replace the GFI (Ground
Fault Interrupter)
Connect power cord
Allow pump to cool
Check length/size of power cable.
Check or replace GFI
Repair/replace tubing
Clean filter media
Consult your dealer. Replace
diaphragm and flappers
Raise air line to desired depth
7