1. High Temperature Alarm (E1)
If the cabinet or rail temperature exceeds the setpoint temperature by 18°F (10°C) or more for more than x hours, "E1" is displayed. The default value of x is "2" (2 hours). The value of x can be changed under "F3" on the service menu. (0=No delay; 1=1; 2=2; 3=3 hours)
Note:
•After the machine has been turned off and then turned back on, the high temperature alarm feature is not active until the area temperature reaches the lower setpoint temperature differential.
•The high temperature alarm feature operates even during defrost.
Reset Options
The alarm will automatically reset once the area temperature reaches the lower setpoint temperature differential.
Possible Causes (for further details, see "III.B. Service Chart")
•Doors or drawers are opened frequently or are not completely closed.
•Trouble with the compressor or a refrigerant leak.
•Trouble with the cabinet or rail thermistor.
•Liquid line valve closed.
Power On | E1 Alarm Timer Reset | |
E1 Alarm not Available until | E1 Alarm | E1 Alarm Timer |
Lower Setpoint is Achieved | over 2 hours | |
| Timer under |
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| 2 hours | E1 Alarm | |
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E1 Alarm Temperature 18°F |
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(10°C) above setpoint temp. |
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Setpoint Temperature and |
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Upper Setpoint Differential 0°F (0°C) |
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| E1 Alarm |
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Lower Setpoint | Available |
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| E1 | ||
Temperature Differential | |||
Alarm | |||
3.6°F (2°C) |
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| Reset | ||
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| Temperature Display | E1 | |
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| Blinking | |
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