Alarm Management; Storage Of Data/Errors; Software Controls - Welbilt Delfield CV5E Original Instructions Manual

Section 4

7. ALARM MANAGEMENT

7.1 Storage of data/errors

The appliance electronic controller is equipped with
a system of acoustic and visual signals to indicate the
intervention of safety devices. The table below gives a list
of the alarms shown on the panel display.
7.2 The software controls the following alarms:
Note: Operating range (-58F / -50C to 212F / 100C)
Evaporator probe alarm (ALL 01)
Cause Exit from operating range for over 30
seconds. Probe is defective (replace probe)
Beeper Activated (3 seconds, than a pause of 30
seconds) until the mute button is pressed.
Display Alternates message "ALL 01" with standard
display.
Reset Automatically resets only when probe
reading has returned to normal.
Core Probe Alarm (ALL 02)
Cause Exit from operating range for more than 30
seconds during current chill cycle by temp.
Effect Interruption of current chilling cycle and
automatic start-up of timed chilling. Chilling
by temperature push-button disabled.
Probed is defective (replace probe)
Beeper Activated (3 seconds, than a pause of 30
seconds) until the mute button is pressed.
Display Alternates message "ALL 02" with standard
display.
Alarm Not activated
Relay
Reset Press the Mute push-button. Resets
automatically if probe value returns to
normal, but cycle remains in timed mode.
Alternatively, switch off the panel then turn it
back on (stand by).
Compartment Probe Alarm (ALL 03)
Cause Exit from operating range for over 30
seconds. Probe is defective (replace probe)
Part Number: 9294045 07/19
Effect Any current chilling cycle is interrupted. If a
storage phase is in progress, the compressor
and the fan are set to Stand-By. When the
appliance is in Stop, press the Start to set the
compressor and fan to Stand-By.
Beeper Activated (3 seconds, than a pause of 30
seconds) until the mute button is pressed.
Display Alternates message "ALL 03" with standard
display.
Reset Automatically resets only when probe
reading has returned to normal.
Input SW2 (ALL 05) (Door Microswitch Alarm)
Cause Input active for more than 5 minutes
with appliance in start status. Door open
(close door). Microswitch fault (replace
microswitch).
Beeper Activated (3 seconds, than a pause of 30
seconds) until the mute button is pressed.
Display Alternates message "ALL 05" with standard
display.
Reset Press the Mute push-button. Resets
automatically if probe value returns to
normal, but cycle remains in timed mode.
Alternatively, switch off the panel then turn it
back on (stand by).
Input SW1 alarm (ALL 06) (T5 and T14D models only)
(High pressure switch) for all models (Compressor
thermal-magnetic switch) if installed (Oil diff.
pressure switch) If installed.
Cause Input active for more than 5 seconds
Effect Set the appliance to STOP. Reset the max.
pressure switch, thermal-magnetic switch or
differential pressure switch.
Beeper Activated (3 seconds, than a pause of 30
seconds) until the mute button is pressed.
Display Alternates message "ALL 06" with standard
display.
Reset Press the mute push-button (with beeper off )
with no alarm cause displayed.
Input SW3 alarm (ALL 08) (Kriwan compressor
automatic reset) only for T14D (Thermostat on the
discharge line)
Troubleshooting
39