Helmer Scientific i.Series
®
Ultra-Low Freezer
Operation Manual
360172-A/D
12
3.5
Active Alarms
Home screen with active alarm
Table 1. i.Series Active Alarms
Alarm
Description
Primary Monitor Probe High Temp
Primary monitor probe reading is above high temperature alarm setpoint
Primary Monitor Probe Low Temp
Primary monitor probe temperature reading is below low temperature alarm setpoint
Probe Failure
Probe not functioning properly
Ambient Probe High Temp
Ambient temperature reading is above high temperature alarm setpoint
Ambient Probe Low Temp
Ambient temperature reading is below low temperature alarm setpoint
Clean Filter
Evaporator defrost probe not functioning properly
CO
2
/ LN
2
Active
CO
2
/ LN
2
back-up refrigeration system is active
Refrigeration System
Refrigerant pressure is too high
High stage compressor temperature is too high
Low stage compressor temperature is too high
High stage compressor has failed
Low stage compressor has failed
Power Failure
Power to unit has been disrupted
Door Open
Door is open beyond user-specified duration
Low Battery
Rechargeable battery voltage is low
No Battery
Battery is not connected
Communication Failure Messages
1, 2, 3
1 Communication lost between i.C³ display board and control board
2 Communication lost between i.C³ display board and internal system memory
3 Corrupt database
Emergency Mode
Control probe temperature sensor failed or is failing intermittently and refrigeration
system is operating at 100% duty cycle
(alarm is only displayed on Home Screen)
3.6
Mute and Disable Active Alarms
Audible alarms may be muted by touching the Mute icon to set delay. Touching the Mute icon repeatedly will increase the Mute
timer incrementally.
