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2524
SYMPTOM
Yellow “Change Water Panel” light is blinking (see Figure M).
TROUBLESHOOTING PROCEDURE
Check the condition of the Water Panel and replace it if
mineral deposits are blocking air flow. Follow the instructions
on the Water Panel box. Rotate the knob to the “Test/Reset”
position for at least 5 seconds to reset Water Panel change
timer. Check that the timer setting is correct for the humidifier
model and water conditions (see Figure B). DO NOT LEAVE
THE HUMIDIFIER CONTROL IN “TEST/RESET” MODE AS THE
HUMIDIFIER WILL NOT OPERATE.
SYMPTOM
Humidifier operates only in “Test/Reset” mode.
• If outdoor temperature is greater than 60°F or less than
-30°F, the Humidifier Control will only operate in the
“Test/Reset” mode (for 1 minute).
• If the humidity level in the home is higher than the
Humidifier Control knob setting, the Humidifier Control will
not operate the humidifier.
TROUBLESHOOTING PROCEDURE
• Measure the resistance of the Outdoor Temperature Sensor
by removing the leads from the Humidifier Control terminals
and measuring the resistance across the wires with an
ohmmeter. Confirm the reading with the temperature in
Table 1. Reconnect the ODT Sensor leads. If the resistance
value does not match the temperature value, replace the
Outdoor Temperature Sensor.
• Make sure that the Outdoor Temperature Sensor is mounted
completely outside the house on the North, East or West
side of the house and out of direct sunlight. (Automatic
Mode Only)
• Make sure that the Outdoor Temperature Sensor is located
at least 3 feet away from all exhaust vents. (Automatic
Mode Only)
• If Outdoor Temperature Sensor is mounted in the fresh air
intake duct, make sure that the sensor is no more than 3
feet from the outside wall. (Automatic Mode Only)