TROUBLESHOOTING (TO BE PERFORMED BY TRAINED SERVICE PROVIDERS ONLY)
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CONDITION
TROUBLESHOOTING
Water Is On The Floor
Check that the drain trap is free of debris.
Check that the drain hose is correctly positioned over floor drain.
Remote units condensate pump: Check that unit is operating properly.
Check store conditions.
For Type 1 Conditions (most cases): ambient conditions are to be at 55%
max. humidity / 75°F.
For Type 2 Conditions: ambient conditions are to be at 60% maximum
humidity / 80°F.
Fans Emit Excessive
Noise
Check that the case is aligned, level and plumb.
Check evaporator fan for cleanliness.
Unplug/power off fan motors. Check motor shaft for bearing wear.
Check that fan motors are securely mounted in brackets.
Verify that fan blades are securely mounted to fan motor.
Check that nothing is preventing blade rotation.
Check that the fan shroud is properly secured.
Fans Are Not Working
Check that the MAIN power switch is on.
Check that fans are plugged in at the fan shroud.
Check for foreign material obstructing fan performance.
Check that fan blades freely rotate within fan shrouds
Check that power is going to fans
Check that fan wiring is connected on terminal blocks.
Digital Control Display
Is Blank.
Check that the MAIN power switch is on.
Check the circuit breaker box for tripped circuits.
System Not Operating
Check that the utility power is on.
Check that the MAIN power switch is on.
Check the circuit breaker box for tripped circuits.