Hitachi SAMURAI CLG2, Manual, Page: 58 / 118

Self-Inspection
Functions
Technical Catalogue
TCGB0051 rev 0 - 09/2009
58
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Indication Mode of Alarm Occurrence Data

The content of abnormal stoppage including activation of safety devices is memorised and indicated on the
control panel
Alarm Occurrence Data (Max.10 data)
Example:
   
   
∇↑ ↓∆
  
   
∇
↑ ↓
∆

NOTE:
If an abnormal operation is occurred under this indication mode, this indication mode is changed to the alarm indication mode.
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Checking Indication

Back to “CPU ROM number“
↑∇
Last Alarm Code Occurred (no alarm)
   
∆↓ ↑∇
Discharge Pressure (MPa)
      
∆↓ ↑∇
(N ° 1 Cycle

= 1.92 MPa)
Discharge Pressure (MPa)
      
∆↓ ↑∇
Suction Pressure (MPa)
      
∆↓ ↑∇
(N ° 1 Cycle

= 0.42 MPa)
Suction Pressure (MPa)
      
∆↓ ↑∇
Discharge Gas Temperature (Option) ( ° C)
     
∆↓ ↑∇
(N ° 1 Cycle

= 82 ° C)
Discharge Gas Temperature (Option) ( ° C)
     
∆↓ ↑∇
Suction Gas Temperature ( ° C)
     
∆↓ ↑∇
(N ° 1 Cycle

= -2 ° C)
In case of No. 1 cycle high
pressure alarm occurrence
In case of No. 2 cycle high
pressure alarm occurrence