Friedrich racservmn Air Conditioner User Manual


 
23
TO SET HOUR CLOCK
Touch SET HOUR CLOCK to see setting. To change, touch
and hold until hour closest to the actual time appears in the
display. MAKE SURE A.M. AND P.M. ARE SET PROPERLY.
(Minutes will NOT show on display.)
TO SET THE TIMER
NOTE: SET HOUR CLOCK before attempting to set timer
functions.
The TIMER ON/OFF times can be set a minimum of one
hour apart and a maximum of twenty-three hours apart.
STOP TIME - Touch A/C STOP and hold until the hour the
unit needs to shut off appears in the display A.M. or P.M.)
START TIME - Touch A/C START and hold until the hour the
unit needs to come on appears in the display (A.M. or P.M.)
Touch TIMER ON (light on) to activate the timer function. Touch
TIMER OFF (light off) to cancel the timer function desired.
Once the on and off times have been selected, they will remain
in memory, and cycle daily until changed, or until the unit is
subject to a power interruption.
TESTING THE ELECTRONIC CONTROL
2003 XQ BOARDS & QME BOARDS
Checking Room Temperature:
1. Check the room temperature at the electronic control pad
by pressing the "FAN SPEED" button and the temperature
"UP" button at the same time on XQ models.
2. Check the room temperature at the electronic control pad
by pressing at the same time the "FAN SPEED" button
and the "WARMER" button on QME models.
The indoor temperature will display for 10 seconds. Indoor
temperature can be viewed in all modes, including the TEST
mode. The display can be changed back to SET
temperature by pressing any key, except the ON/OFF
button, or after 10 seconds has elapsed.
Activating Test Mode: Activate test mode by pressing at
the same time the "MODE" button and the temperature
"DOWN" button on XQ models. LEDs for Hour, Start, and
Stop will blink 1 bps while Test Mode is active.
Activate test mode by pressing at the same time the
"MONEY SAVER" button and the "FILTER ALERT" button
on QME models. LED for the Filter Alert will blink 1 bps
while Test Mode is active.
Test Mode has duration of 90 minutes. Test Mode can be
activated under any conditions, including Off. Test Mode is
cancelled by pressing the On/Off button, unplugging the
unit, or when the 90 minutes is timed out. All settings revert
to the factory default settings of Cool, 75 degrees F, Timer
and Set Hour features are nonfunctional.
Test Mode overrides the three-minute lockout, all delays
for compressor and fan motor start / speed change, and no
delay when switching modes.
Test Mode default settings are ON, Money Saver, 60 degrees F,
and High fan speed
.
Activating Error Code Mode: (Submode of Test Mode) Unit
has to be in Test Mode to enter Error Code Mode
1. Activate Error Code Mode by pressing the "TIMER ON/
OFF" button on XQ models. LED for the "TIMER ON/OFF"
will flash 1 bps while Error Code Mode is active. Pressing
the "TEMP/HR + " button will display 00. Consecutive
presses will scroll through all error codes logged. Press
the "TEMP/HR - " button to see the reverse order of all
error codes logged. When the end of logged error codes is
reached the temperature set point will appear.
Activate Error Code Mode by pressing at the same time
the "A/C START" button and the "ON/OFF" button on QME
models. LED for the "TIMER ON/OFF" will flash 1 bps while
Error Code Mode is active. Pressing the "WARMER" button
will display 00. Consecutive presses will scroll through all
error codes logged. Press the "COOLER" button to see
the reverse order of all error codes logged. When the end
of logged error codes is reached the temperature set point
will appear.
IMPORTANT: Error Codes are cleared from the log
by exiting from Error Code Mode. To exit on XQ mod-
els, press Timer On/Off button. To exit QME models,
press A/C Start and On/Off buttons. Or unplug unit to
exit Error Code Mode. Plug unit in after 5 seconds to
resume normal operation of unit.
TESTING THE ELECTRONIC CONTROL
ERROR CODE LISTINGS
E1 SHORT CYCLE SITUATION: Defined as (compressor
powered on before the three minute time delay ten times in
one hour. Investigate and correct short cycling problem.
E2 KEYBOARD STUCK ERROR: If key button(s) are pressed
continuously for twenty seconds or more. If MODE key is stuck,
unit will default to cool. Exit Error Code Mode to see if error
"E2" is no longer displayed and unit is functioning. Replace
board if "E2" still displays after exiting Error Code Mode.
E3 FROST PROBE OPEN: Normal operation is allowed. Ohm
frost probe. Replace probe if ohm value not read. If ohm value
present replace board.
E4 FROST PROBE SHORT: Normal operation allowed.
Replace probe.
E5 INDOOR PROBE OPEN: Control assumes indoor ambient
temperature is 90 degree F and unit will operate. Ohm indoor
probe. Replace probe if ohm value not read.
E6 INDOOR PROBE SHORT: Control assumes ambient
temperature is 90 degree F and unit will operate. Replace
probe.
NOTE: All Error Code displays for Frost & Indoor Probe will
allow unit to operate. Unit may or will ice up if faulty components
not replaced.
FROST PROBE SENSOR: disables compressor at 35
degrees F.
INDOOR PROBE SENSOR: Control range is 60 degrees F
to 90 degrees F +/- 2 degrees F.
Indoor temperature will be displayed by pressing: