Aquascape Pro 7500 Руководство по установке и обслуживанию - Страница 6
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Печатать страницуdischarge to
BIOFALLS
®
check valve
pump
5) Troubleshooting
CAUTION! Always disconnect the pump form the electrical power source before handling.
If the system fails to operate properly, carefully read instructions and perform maintenance
recommendations. If operating problems persist, the following chart may be of assistance in
identifying and correcting them.
MATCH "CAUSE" NUMBER WITH CORRELATING "CORRECTION" NUMBER.
NOTE: Not all problems and correction will apply to each pump model.
Problem
Pump will not run.
Pump hums but doesn't run.
Pump delivers insufficient
capacity.
6
skimmer
rock lid
Skimmer net
Front of
skimmer
FIG 3.
Cause (Correction*)
• Poor electrical connection, blown fuse, tripped
breaker or other interruption of power; improper
power supply. (1)
• Insufficient water level. (2)
• Incorrect voltage (1)
• Impeller jammed or loose on shaft, worn or
damaged, impeller cavity or inlet plugged. (7)
• Incorrect voltage (1)
• Excessive inflow or pump not properly sized
for application. (3)
• Discharge restricted. (4)
• Check valve stuck closed or installed backwards. (5)
• Shut-off valve closed. (6)
• Impeller jammed or loose on shaft, worn or
damaged, impeller cavity or inlet plugged. (7)
• Air may be trapped in pump impeller chamber (8)
FIG 4. Slide collar up to check
valve and hand tighten. It's as
simple as that!
*see step 6 on pg. 7