
Everest Glycol System Chiller
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Hoshizaki Lancer reserve the right to change specifications without notice No 007 – 5 November 2010
6.1 Alarm Conditions, Causes and Remedies
Message: Er0
Description: Sensor error
Cause: Faulty Sensor
Consequences on
Control Action: Depends on C10
Reset: R: automatic; V: manual
Remedies: Check connections; check sensor signal (eg. NTC = 10k 25°C)
Message: Er1
Description: Sensor NTC2 error
Cause: Faulty Sensor
Consequences on
Control Action: If C19=1 and mode1,2 – refer to Er0;
vice versa control action goes on normally
Reset: R: automatic; V: manual
Remedies: Check connections; check sensor signal (eg. NTC = 10k 25°C)
Message: Er2
Description: Memory error
Cause: Voltage drop during programming state.
Memory damaged by electromagnetic interferences
Consequences on
Control Action: Stoppage
Reset: R: automatic; V: manual
Remedies: Reset factory-set values, turn off the controller,
Turn on again holding down PRG
Message: Er3
Description: Alarm via external contact on digital input
Cause: The contact linked to the digital input is open
Consequences on
Control Action: depending on C31
Reset: R: depends on C29 and C30; V = manual
Remedies: Check C29, C30, C31, and P28; check the external contact Er4
Message: Er4
Description: HIGH Temperature alarm
Cause: P26 has been exceeded for a time-interval > P28 unchanged
Consequences on
Control Action: Control action goes on regularly
Reset: R: automatic; V: manual
Remedies: Check P26, P27, and P28
Message: Er5
Description: LOW Temperature alarm
Cause: P25 has been below P28 for a time-interval > P28 unchanged
Consequences on
Control Action: Control action goes on regularly
Reset: R: automatic; V: automatic (*)
Remedies: Check P26, P27, and P28
R = Control Action / V = Display
(*) = to get manual alarm reset, just give P27 (alarm differential) a high value