AK-CC 750 - 080Z0130 & 080Z0139 RS8GM222 © Danfoss 10-2014 83
Alarms
• Appliance not defrosted
If this function detects ice formation shortly after defrost, the
"Appliance not defrosted" alarm is generated. This error may be
due to the evaporator not being defrosted correctly as a conse-
quence of faults in heating elements or fans. After this alarm, the
function will not cancel defrosts.
This alarm is removed at the start of the next defrost, at which
point cancellation of defrosts will be permitted again.
• Air ow reduced
If this function detects severe ice formation on the evaporator,
the alarm "Appliance X – air ow reduced" is transmitted. This er-
ror will typically be due to severe ice formation on the evapora-
tor, but it may also be due to reduced air ow as a consequence
of severe over stacking of goods or dropout of fans. After this
alarm, the function will not cancel defrosts.
This alarm is removed at the start of the next defrost, at which
point cancellation of defrosts will be permitted again.
• Sensor error
The controller cannot carry out a tuning calculation for use in
the adaptive defrosting.
After this alarm, the function will not cancel defrosts.
This alarm is removed at the start of the next defrost, at which
point cancellation of defrosts will be permitted again.
• Flash gas alarm
This function will monitor whether there is any ash gas at the
expansion valve. If ash gas is detected over a fairly long period,
the alarm "Appliance X – Flash gas alarm" is triggered.
This alarm is removed when ash gas disappears or at the start
of the next defrost.
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