Manitowoc Welbilt Indigo NXT QuietQube Manual page 130

Indigo NXT Ice Machine Troubleshooting Tips
Alert Log and Service Definition
E-Log Display Text Error Description Definition
Long Freeze
3 consecutive 35 Minute Freeze cycle, shut down
E01 Long Freeze
Long Harvest 3 - 7 Minute Harvests logs SL#2 in memory but doesn't shut down until 500 long harvest cycles.
E02 Long Harvest
When power is interrupted to the ice machine the control board will log the event in the ELOG and stamp the loss of
Power Supply (Event
Power Loss
E03
Log only - No Alarm) power on power-up.
Air Condenser High
1). Air Cooled Condenser Fault = Liquid Line Temperature too Hi for Selfcontained Air Cooled Ice machine.
Hi Cnd Temp or Wtr
temp, or water
2). Water Cooled Condenser Fault = Liquid Line Temperature too Hi for Selfcontained Water Cooled Ice machine.
E04
Cnd Fault Condenser High
(G-board rev 4.017 forward: Alert
temperature
The high pressure cutout switch (HPCO) opened.
High Pressure Cutout
HPC Fault
E05
(HPC) Alert will show after 3 trips in 4 hours.
E06 Spare
When harvest is initiated by the ITP: the board compares the last one minute of Freeze average temperature
Starving Evaporator for
Starving TXV difference between the inlet (T3) and the outlet (T4). If the difference between the outlet minus the inlet is greater
E07 single TXV or low on
charge
than 12°F E07 is recorded.
When harvest is initiated by the ITP: the board compares the last one minute of Freeze average temperature
TXV malfunction in dual
TXV Fault difference between the outlet (T3) and the outlet (T4). If the difference between the outlet minus the inlet is greater
E08 circuit/ single evaps
(TXV Fault)
than 12°F E07 is recorded.
Flooding evaporator for
Discharged line temp. is monitored in 6 second increments for the first 6 min. of freeze. Each minute is averaged
single circuit single
Flood Evap 1
and the highest average is stored as T2max(3). During the last 6 seconds of pre chill the liquid line temp exiting the
E09
evaporator (flooding
condenser is averaged
evap)
Flooding evaporator for
Discharged line temp. is monitored in 6 second increments for the first 6 min. of freeze. Each minute is averaged
dual TXV dual circuit /
Flood Evap 2 and the highest average is stored as T2max(3). During the last 6 seconds of pre chill the liquid line temp exiting the
E10
single evaporator
condenser is averaged
(Flooding Evap)
If the compressor discharge temperature has not increased by at least 10 F, and the evaporator temperature has
not decreased by at least 10 F from the Refrigeration Start up or start of prechill to Two Minutes into the Freeze
Refig Fault
Refrigeration System
E11
(Refrig Fault) cycle.
(Air, Water only)
(G-board rev 4.017 f
If the ice machine is set in an ice making position and in bin full condition for more than 12 hours then the curtain
Curtain Switch open for
Curtain Fault
switch is open or curtain is off.
E12 more than 12 hours
(Curtain Fault)
(12 hrs all E- Boards / 24 hrs G-Boards after revision 4.017)
E13 Spare
E14 Spare
If the liquid line temperature drops below 60 F for any period exceeding 1 continuous minute during the freeze cycle.
Low amb control fault
Low Liq Temp
E15
durring low amb (G-board rev 4.017 forward: Event log only-no alert)
Detail Alert Log Service Definition
When an Alert / E Log is triggered;
• Alerts shows up on the Home screen
as an Alert Icon.
•Alerts are also kept track of on what
we call "Alert Log".
•Alert Log list time stamp of last Alert
along with count of how many times it
has tripped. Still visible in the Service
Menu, even if the Alert was cleared by
the end-user from the Home Screen.
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