Esco Class II - 7.2. Software Troubleshooting

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Class II Biological Safety Cabinets
7.2. Software Troubleshooting
Error Code Corrective Action
Sash: Error Position
• Magnetic switches are located inside right profile cover. See drawing B-1 below.
Magnetic
Switch 1
Magnetic
Switch 2
Magnetic
Switch 3
Magnetic
Switch 4
Description
Close Open Open Open Sash is fully opened, ALARM is given. ALARM can be muted.
Open Close Open Open Cabinet sash is at nominal height, ready to use.
Open
Open
Close
Close
Sash is fully closed; UV can be operated.
Open Open Open Open
SASH is at unsafe state, ALARM is given. ALARM cannot be
muted.
Rest Conditions
SASH:ERROR POSITION
detected
Switch_1
S
witch_2
Switch_3
7.5VDC
Shorted
Shorted
B
-
1
B
-
2
Table 2