Anden A77 Handleiding voor installatie en gebruik - Pagina 8

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Anden A77 Handleiding voor installatie en gebruik

TABLE 2 – DEHUMIDIFIER DIAGNOSTIC CODES

Diagnostic

Code

Failure Mode

Action

1. Verify that the fan works, the backflow damper

High

Refrigeration

swings freely and there is no blocked or restricted

Pressure

ductwork.

2. If the fault persists, call Technical Support.

Model A77

1. Check connections between Model A77 and

Remote Control

dehumidifier control board. Terminals should be

Communication

fully inserted and secured in the control board and

Loss

Model A77 control terminals.

2. If connections are correct and secure, turn off

the dehumidifier and remove the Model A77.

Use a short section of 4-wire cable to reconnect

the Model A77 to the control board. Turn the

dehumidifier back on and increase the dryness

level setting on the Model A77. If the dehumidifier

turns on, the problem is with the wiring between

the dehumidifier and control.

3. If the dehumidifier does not turn on, call Technical

Support.

Insufficient

1. Check the frost sensor connection at the power

Capacity

board. Terminal should be fully seated on the

power board pins.

2. Remove the side access panel and verify that the

sensor is secured to the suction line.

3. If the sensor is connected and secured to the

refrigeration line proceed to the next step.

4. Reset the fault by cycling power to the

dehumidifier.

5. Turn the humidity setting down (below room/

home humidity level) to make a dehumidification

call.

6. Allow the fan and compressor to run for

approximately 10-15 minutes and then enter

diagnostic test mode by simultaneously pressing

the

LCD will display the temperature measured by

the internal sensor while also displaying AIR

SAMPLING and ON, the humidity measured by

the internal sensor while also displaying %RH and

ON, and the frost sensor temperature while also

displaying ON. Scroll through these values and by

using the

7. Record values and call Technical Support.

Self-Correcting

and MODE buttons for 3 seconds. The

buttons.

TABLE 2 – DEHUMIDIFIER DIAGNOSTIC CODES

Diagnostic

Reset

Code

Cycle Power

Failure Mode

Action

1. Check the high temperature sensor connection at

High

Temperature

the power board. Terminal should be fully seated

Thermistor

on the power board pins.

Failure

2. Remove the side access panel and verify the

sensor is not damaged and connected to the

refrigeration line coming from the compressor.

3. If the sensor is connected and secured to the

refrigeration line, it may need to be replaced with

Part No. 5456 – contact Technical Support to

confirm.

1. Check the low temperature sensor connection at

Low

Temperature

the power board.

Thermistor

2. Remove the side access panel and verify the sensor

Failure

is not damaged and connected to the suction line.

3. If the sensor is connected and secured to the

refrigeration line, it may need to be replaced with

Part No. 5455 – contact Technical Support to

confirm.

Float Switch

1. Empty the condensate pan.

Open

2. Check the float switch connection at the control

board.

3. If not using a float switch, verify jumper is between

float switch terminals on dehumidifier control board.

4. If the problem persists, replace the float switch.

Reset

Cycle Power

Self-Correcting