MaxPower Corp OceanAire Portable - Manual (Page 21)

PROBLEM: INSUFFICIENT COOLING
1. (CAUSE) Insufficient air flow through evaporator coil due to:
A. Dirty air filter in unit B. Dirty evaporator coil
C. Ice on evaporator coil D. Obstructed air intake
(REMEDY) Correct as noted:
A. Clean filter (see "Preventive Maintenance" section of this manual)
B. Clean filter with a vacuum cleaner & hose.
C. Defrost; turn on fan only.
D. Remove obstruction
2. (REASON) IMPROPER SIZING OF UNIT
(FIXING) Check to make sure unit is properly sized for load. Add supplemental unit if required.
PROBLEM: NOISY OPERATION
1.(CAUSE) Copper tubing vibrating
(REMEDY) Adjust by bending slightly to firm position. Segregate tubes touching cabinet or each other.
2.(REASON) Loose cabinet or internal component
(FIXING) check and tighten loose screws.
3.(CAUSE) Machine vibrating out of level
(REMEDY) Level unit base.
4.(REASON) Loose blower wheel
(REMEDY) Tighten screws on blower wheel to motor shaft.
5.(CAUSE) Blower wheel hitting housing.
(REMEDY) Adjust wheel position on motor shaft.
6. (CAUSE) Blower motor bearing defective.
(REMEDY) Replace blower motor.
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