LNS HYDROBAR SPRINT 555, Troubleshooting And Spare Parts Manual

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1-42 Chapter 1: Alarms
A128 - Problem During Dropping Fingers Descent
PROBLEM DURING
DROPPING FINGERS
DESCENT!
POSSIBLE CAUSES:
-MECHANICAL OR
PNEUMATIC PROBLEM
-SWITCH SQ6 MISSING
OR SQ7 RESENT
A128
Description:
The Problem During Dropping Fingers Rising alarm occurs during the loading cycle, while the bar dropping fingers are in the up
position and input signal (I1.0 – SQ6) does not turn on or if input signal (I1.1 – SQ7) does not turn off.
Solution:
Press the HELP key. Press F4 (Page Down icon) twice.
Case Input Remote Pendant Solution
1
Bit 0 = 1
Bit 1 = 0
MODULE 1
76543210
1
Alarm needs to be cleared. Press the STOP key on the remote
control station to clear the message and reset the alarm.
2
Bit 0 = 0
Bit 1 = 1
MODULE 1
76543210
10
ƒ Check for a mechanical obstruction which may be keeping the
dropping fingers from lowering.
3
Bit 0 = 1
Bit 1 = 1
MODULE 1
76543210
11
ƒ Check the adjustment of switch SQ7.
4
Bit 0 = 0
Bit 1 = 0
MODULE 1
76543210
0
ƒ Check the adjustment of switch SQ6.
ƒ Check for a mechanical obstruction which may be keeping the
dropping fingers from lowering.
For case 1, after the solution has been completed, press the STOP key on the remote control station to clear the message and reset
the alarm.
HYDROBAR SPRINT 555