Advanced Radiant Systems COOL-SPACE CS5-48 Panduan Pengoperasian dan Pemeliharaan - Halaman 11
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Halaman Cetak6.1 Troubleshooting (continued)
Problem
Pump motor will not run when
switch is turned on.
Pump motor hums when switch
is turned on, but does not pump
water.
Pump makes loud noise while
running.
Breaker trips or fuse blows when
switch is turned on.
Pump won't run and power is
available. Pump is functional.
Pump runs but does not pump
water.
Pump
Check
Turn fan on to check for power.
Is water level high enough to
make the low- water cut-off
circuit?
Obstruction in impellor.
Pump motor failure.
Object(s) in impellor, impellor
loose. Pump bearings bad.
Check power cord length and
breaker rating.
Check for locked-up pump.
Make certain switch is working.
Is water level high enough to
make the low- water cut-off
circuit?
Air lock in outlet side of pump.
Make certain the impellor is
turning in pump.
9
Solution
If fan doesn't start; check
breaker and cord plug-in. If fan
does start; check for power to
and through pump switch (when
turned on). Fill water reservoir.
Remove object(s).
Replace pump.
Remove object(s).
Replace pump.
Refer to page 2 for unit
amperage draw and to
determine required cord gauge.
Replace pump.
Replace switch if not completing
circuit. Fill water reservoir
enough to activate Low Water
Shut-off switch.
Turn off and on to bleed.
If not, replace pump.