Undercounter Refrigerators and Freezers
PAGE 12
7B - AlARM EXPlAnAtIons (cont.):
low cabinet Air temperature:
The audible alarm will sound and
the display will read Lo Cab when the temperature inside the cabinet
falls below a pre-programmed limit. The limit is determined by the
type of unit being operated (i.e.: refrigerator/ freezer). To turn off the
audible alarm, press the alarm cancel button. The visual alarm text
will continue to display until the cabinet air temperature rises above
the limit. If the temperature does not rise above the limit within 5
minutes, the audible alarm will sound again and an additional Call
Service message will display.
PossIBlE cAUsEs:
• No product in unit
• Failed sensors
• Stuck Evaporator Relay
loss of Power
: The audible alarm will sound and the display will
read ELE LOS, when the unit regains power after an outage. To turn
off the audible alarm and/or clear the visual text, press the alarm
cancel button.
condenser clean
: The audible alarm will sound and the display
will read “Clean Filter” when discharge temperatures exceeds 140
degrees. As the load on the condenser decreases, the alarm will turn
off by itself. As the temperature on the condenser continue to rise,
the audible alarm will return until the problem has been eliminated.
notE: If discharge temperature rises above 1600F the compressor
& condenser fan motor will be switched off until the discharge
temp falls below 1400F
sensor Failures:
The audible alarm will sound and the display will
read CAB SEN, COL SEN or DIS SEN when that particular sensor
has failed to operate. To turn off the audible alarm, press the alarm
cancel function of the sensor, the audible alarm will sound again in
either 5 minutes or 24 hours.
notE: test sensor in ice water.
7. MIcRoPRocEssoR contRol
(cont.)
