Alarm management – Delfield T5 User Manual
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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:
Evaporator probe alarm (ALL 01)
Cause:
Exit from operating range (-58°F / -50°C - 212°F / +100°C) for over 30 seconds.
Probe is defective (REPLACE PROBE).
Beeper:
Activated (3 seconds, then 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 (-58°F / -50°C - 212°F / +100°C) for more than 30 seconds during
current chilling cycle by temperature.
Effect:
Interruption of current chilling cycle by temperature and automatic start-up of timed chilling
cycle. Chilling by temperature push-button disabled.
Probe is defective (REPLACE PROBE).
Beeper:
Activated (3 seconds, then a pause of 30 seconds) until the mute button is pressed.
Display:
Alternates message “ALL 02” with standard display
Alarm relay: Not activated.
Reset:
Press the mute push-button (with beeper off).
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 (-58°F / -50°C - 212°F / +100°C) for over 30 seconds.
Probe is defective (REPLACE PROBE).
Effect:
Any current chilling cycle is interrupted.
If a storage phase is in progress, the compressor and the fan set to stand-by status.
When the appliance is in Stop status, press Start to set the compressor and fan to stand by.
Beeper:
Activated (3 seconds, then 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.