Huntleigh AlphaBed, Service Manual

Page: 49 / 94

30 Replacing the Alarm Monitoring PCB
CAUTION : Electrostatic discharge can seriously damage the alarm monitoring PCB. Prior to
replacing or handling, adequate earth/grounding precautions must be taken.
Notes : 1 It is not necessary to remove the side panel in order to replace the alarm monitoring PCB.
2 The alarm monitoring PCB is only applicable to electronic versions of the mini pump.
30.1 Remove the pressure control module as described in Page 27, Section 29.1 to 29.7.
30.2 Disconnect PCB power wires (Fig 15, Item 60) from PCB.
30.3 Disconnect the three signal connectors from the PCB (Fig 15, Item 30).
30.4 Remove the PCB securing screw (Fig 15, Item 10) and withdraw the PCB (Fig 15, Item 20).
30.5 Replacement is the reverse procedure to removal. Ensure that the PCB is seated in the two
slotted mounts of the side panel (Fig 15, Item 40) and the lug (Fig 15, Item 50) on the pressure
control module.
Issue 2 Chap 3
Nov 2001 SER0004 Page 29
Mini Pump Service Manual Pump Repair