Delfield CV10E, Installation, Operation And Maintenance Manual

Page: 30 / 40

Trouble shooting Section 6
30 Part Number: 9291000 06/22
is not activated). The alarm is inhibited for approximately 2
minutes with each compressor start. The alarm is inhibited
during “pump downs”.
Effect: It places the machine in STOP. Inhibition of the
Start/Stop and Defrost buttons.
Beeper: The beeper sounds (3 seconds and then pauses
for 30 seconds) until the silencer button is pressed.
Display/LED: The display shows the scrolling text “AL07 -
MIN. PRESSURE”. Flashing RED symbol (14).
Reset: Pressing the off beeper alarm silencer button or
switching off and switching on the card again (stand-by).
Automatic reset Kriwan Alarm - AL08
Cause: When the input is activated with machine in start
for more than 5 seconds, at least 3 times in the same cycle.
Effect: Each time only the compressor stops and starts up
again when the input is activated. Upon the third time the
machine is placed in STOP.
Beeper: The beeper sounds (3 seconds and then pauses
for 30 seconds) until the silencer button is pressed.
Display/LED: If the Kriwan alarm is activated, for the two
times only the word “Kriwan” appears, alternating with
the Temperature and Time values represented, without
locking the machine but only the compressor. Upon the
third time the scrolling text “AL08 - COMPRESSOR KRIWAN”
will appear. Flashing RED symbol (14).
Reset: Pressing the off beeper alarm silencer button or
switching off and switching on the card again (stand-by).
Input alarm HT1 - fusable - AL09
Cause: When the alarm is activated for more than 5
seconds.
Effect: Electrical disconnection of certain components
downstream of the fuse.
Beeper: The beeper sounds (3 seconds and then pauses
for 30 seconds) until the silencer button is pressed.
Display/LED: The display shows the scrolling text “AL09 -
REPLACE FUSE”. Flashing RED symbol (14).
Reset: It resets itself when the status of the input is
activated.
Over temperature alarm - AL11
Cause: The over temperature alarm is activated (only
during the storage) when the cell probe detects a
certain temperature value time greater than the sum of
the positive or negative storage set with the relevant
alarm delta (parameter A2 or parameter A4). The over
temperature alarm is in any case disabled for a certain
length of time (parameter 5) from the start of the storage
phase and after a defrost. This alarm is not activated/
managed if the cell probe is in alarm.
Effect: Storing of the alarm is the HACCP memory together
with the date and time.
beeper: The beeper sounds (3 seconds and the pauses for
30 seconds) until the silencer button is pressed.
Display/LED: The display shows the scrolling text “AL11 -
OVER TEMPERATURE”. The symbol (14) flashes YELLOW.
Reset: Pressing the off beeper alarm silencer button or
switching off and switching on the card again (stand-by).
Black-Out Alarm - AL12
Cause: It is activated when a cycle in progress is interrupted
by a blackout, and when the duration of the blackout is
greater than the time defined by the parameter “uL”.
Effect: Storing of the alarm in the HACCP memory together
with the date and time. The machine restarts the cycle set,
in the case of chilling time from the total time.
Beeper: The beeper sounds (3 seconds and then pauses
for 30 seconds) until the silencer button is pressed.
Display/LED: The display shows the scrolling text “AL12 -
DURATION BLACKOUT 00h00’“. The symbol (14) lights up
flashing YELLOW (21).
Reset: Press the alarm silencer beeper off button.
Compressor preventative maintenance alarm
Cause: When the operating hours of the compressor are
an integer multiple of the hours set (if alarm activated).
Effect: none
Beeper: The beeper sounds (3 seconds and then pauses
for 30 seconds) until the silencer button is pressed.
Display/LED: The display shows the scrolling text “SERVICE
+ TEL . 00000000000000” (see parameter TEL). Alternating
with the time and temperature values represented. The
symbol (14) flashes YELLOW.
Reset: Press the alarm silencer beeper of button.
Temperature not reached in the time set alarm
Cause: When temperature chilling lasts longer than the
times for Time out (parameter c1 or c4).
Effect: Signaling with flashing time or temperature display
and beeper sound; press the “-” button (7) to stop the