DCS RF24D Service Manual download pdf (Page 32)

30

PROBLEM POSSIBLE CAUSE CORRECTION

Unit does not operate.

1. The unit is unplugged. Plug in the unit.

2. Did not hold the “ON/OFF” button

long enough on the display panel.

Press and hold the “ON/OFF” button

for ve seconds.

Unit does not display Celsius (C).

1. Did not press the “F/C” button on

the display panel.

Press the “F/C” button to toggle be-

tween F and C.

Temperature controls are not raising or

lowering the set temperature on the unit.

1. Did not press and hold the “SET”

button on the display panel while

pressing either the “WARMER” or

“COOLER” button.

Press and hold the “SET” button and

press either the “WARMER” or “COOL-

ER” button. This will raise or lower

the set temperature by one degree F

or C (depending upon the setting).

Display light feature is not engaged. 2. The light bulb is burned out. Replace the light bulb

Holiday Mode is not engaging.

1. Did not press the “F/C” button on

the display panel seven times within

seven seconds.

Press and hold the “SET” button while

pressing the “F/C” button seven times

within seven seconds. The display

will ash “SA” seven times and the

unit will enter Holiday Mode.

Holiday Mode automatically disabled.

1. Holiday Mode automatically dis-

ables after 36 hours.

Restart Holiday Mode by pressing

and holding the “SET” button while

pressing the “F/C” button seven times

within seven seconds.

Holiday Mode is not disabling.

1. Did not press the “F/C” button on

the display panel seven times within

seven seconds.

Press and hold the “SET” button while

pressing the “F/C” button seven times

within seven seconds. NOTE: Holiday

Mode will automatically disable after

36 hours.

Audible alarm sounding three times every

30 seconds and LED light ashing green.

1. Door Ajar alarm. Close the door.

Audible alarm sounding six times every

minute and LED light ashing red.

1. High and Low Temperature alarm. Press the “ON/OFF” button for ap-

proximately one second to reset

audible and display alarms. NOTE: Al-

though pressing the “ON/OFF” button

will reset the alarms, the alarm will

resume if alarm condition still exists.

LED light ashing amber and no audible

signal heard.

1. Power Failure alarm.

NOTE: This alarm will occur upon

initial installation which is normal

since the unit was run at the factory

to verify quality.

Press the “ON/OFF” button for ap-

proximately one second to reset

audible and display alarms. NOTE: Al-

though pressing the “ON/OFF” button

will reset the alarms, the alarm will

resume if alarm condition still exists.

Want to give a customer demonstration

but Show Room Mode is not enabling.

1. Did not perform a “Power On

Reset” (POR).

To enable, press and hold the “ON/

OFF” button on the display panel

while performing a “Power On Reset”

(POR), i.e. - disconnect and reconnect

power supply to the unit.

Compressor, condenser fan, internal fan(s),

heater, reverse gas solenoid, and alarms

are not working but the display is function-

ing normally.

1. Show Room Mode enabled. To exit, press and hold the “ON/OFF”

button while performing a “Power

On Reset” (POR), i.e. - disconnect and

reconnect power supply to the unit.

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