Danfoss OPTYMA Control AK-RC 101 User Manual

OPTYMA
TM
Control single-phase AK-RC 101 RS8FD402 © Danfoss A/S 2014/11 15
In the event of any anomalies the OPTYMA
TM
Control
warns the operator by displaying alarm codes and
sounding the warning buzzer inside the control
Trouble shooting / Alarm list
panel. If an alarm is tripped the display will show one
of the following messages.
Alarm code Possible cause Solution
E0 Cold room temperature sensor not working
properly
• Check that cold room temperature sensor is
working properly
• If the problem persists replace the sensor
E1 Defrost sensor not working properly
(In this case defrosts will last time d3)
• Check that defrost sensor is working
properly
• If the problems persists replace the sensor
E2 Eeprom alarm
An EEPROM memory alarm has been detected
(All outputs except the alarm one are
deactivated)
• Switch unit o and then back on again
E8 Man-in-room alarm • Reset the alarm input inside the cold room
Ec Compressor protection tripped (e.g. thermal
protection or max pressure switch)
(All outputs except the alarm one – where
applicable – are deactivated)
• Check that compressor is working properly
• Check compressor absorption
• If the problem persists contact the technical
assistance
Ed Open door - alarm (Open door and tdo-time
has expired)
Check door / door contact
Temperature
shown on
display is
ashing
Minimum or maximum temperature alarm.
The temperature inside the cold room has
exceeded the min. or max. temperature
alarm setting (see variables A1 and A2, user
programming level)
• Check that the compressor is working
properly.
• Sensor not reading temperature properly or
compressor start/stop control not working.

Danfoss OPTYMA Control AK-RC 101 Specifications

General

Brand	Danfoss
Model	OPTYMA Control AK-RC 101
Category	Control Panel
Language	English