23
EN
Value Air Distribution Box (ADB), Mechanical Maintenance
9 Maintenance
This section describes routine activities to maintain
properly working system components.
I
The blower motor is factory-lubricated and requires
no service.
9.1 Cleaning the Air Filter
NOTICE: Never run the unit without the return
air filter in place. Otherwise, dirt will restrict the
rooop component’s evaporator coil and may
substantially degrade the performance of the unit over
time.
This section describes how to maintain a clean air filter.
1. Periodically (or a minimum of every two weeks of
operation) remove the return air filter located behind
the return air vent grille and wash it with soap and
warm water.
2. Let the filter dry completely before placing the filter
back into position.
9.2 Cleaning the ADB Housing
NOTICE: Never use furniture polish or scouring
powders to clean the ADB housing.
Clean the ADB housing and the control panel with a so
cloth dampened with a mild detergent.
10 Troubleshooting
The following table describes common occurrences that
are not a result of defective workmanship or materials.
Problem Possible Cause Suggested Remedy
The product does not operate. The circuit breaker has activated. Set or reset the circuit breaker.
A fuse has blown. Replace the fuse.
The product does not operate
(or operates poorly) and the
RV is connected to the motor
generator.
The RV is not receiving power
from the motor generator.
Confirm the motor generator is running.
Confirm the motor generator is producing power.
Confirm the fuse or circuit breaker is open. Ensure the fuse
is not blown, or circuit breaker is on and not activated.
Contact the local service center.
The product does not operate
(or operates poorly) and the RV
is connected to a power supply
by a land line.
The RV is not receiving power
from the power supply.
Confirm the land line is plugged into the power supply.
Confirm the land line is properly-sized for the product’s
power load.
Contact the local service center.
Frost forms on the evaporator
coil, as visible through the
air inlet hole with the filter
removed.
The product is producing very
cold output at a very low air
speed.
Inspect and clean the filter.
Open the air vents and remove any obstructions.
The outside temperature is
relatively low.
Adjust the thermostat control knob to a warmer setting
(counterclockwise).
Operate the product on any Fan Only setting until the coil is
free of frost.
Contact the local service center.
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