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Service and Installation Manual
6
1.1 Function of LEDS
LED
MODE
FUNCTION
ON
Compressor enabled
Flashing
-Programming Phase (flashing with
)
- Anti-short cycle delay enabled
ON
Defrost enabled
Flashing
-
Programming Phase (flashing with
)
-
Drip time in progress
ON
Fans enabled
Flashing
Fans delay after defrost in progress.
ON
An temperature alarm happened
2. MAIN FUNCTIONS
2.1 HOW TO SEE THE SETPOINT
1. Push and immediately release the SET key: the display will show the set point value.
2. Push and immediately release the SET key or wait for 5 seconds to display the
sensor value again.
2.2 HOW TO CHANGE THE SETPOINT
1. Hold the SET key for more than 2 seconds to change the set point value.
2. The value of the set point will be displayed and the LED starts blinking.
3. To change the set value, push the or key within 10s.
4. To set new point value, push the SET key again or wait 10s.
2.3 HOW TO START A MANUAL DEFFROST
Hold the key for more than 2 seconds and a manual defrost will start
2.4 HOW TO LOCK THE KEYBOARD
1. Hold the and keys for more than 3s.
2. The
“
POF
”
message will be displayed and the keyboard will be locked. At this point, it will be possible only
to see the set point or the MAX or Min temperature stored.
3. If a key is pressed more than 3s the
”
POF
”
message will be displayed.
2.5 HOW TO UNLOCK THE KEYBOARD
Hold the and keys together for more than 3s until the
“
POF
”
message is displayed.
3. ALARM SIGNALS
HOW TO SEE THE ALARM AND
RESET THE RECORDED ALARM
1. Push the or key to
display the alarm signals.
2. When the signal is displayed, hold
the SET key until the
“
rst
”
message
is displayed, and push the SET key
again. The
“
rst
”
message starts
blinking and the normal temperature
will be displayed.
Message
Cause
Outputs
“P1”
Room probe failure
Compressor output according to par.
“Con” and “COF”
“P2”
Evaporator probe failure
Defrost end is timed
“HA”
Maximum temperature alarm
Outputs unchanged.
“LA”
Minimum temperature alarm
Outputs unchanged.
“dA”
Door open
Compressor and fans restarts
“EA”
External alarm
Output unchanged.
“CA”
Serious external alarm (i1F=bAL)
All outputs OFF.
“CA”
Pressure switch alarm (i1F=PAL)
All outputs OFF
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