Troubleshooting - Weinmann MEDUMAT Basic Servicing And Repair Instructions

5. Troubleshooting

Defect
MEDUMAT Basic / Basic p
Basic, Basic p cannot be
switched on
MEDUMAT Basic / Basic p
Basic, Basic p cannot be
switched off
MEDUMAT Basic / Basic p
Basic, Basic p is functioning
but without any displays
MV too high
MEDUMAT Basic / Basic p
Basic, Basic p:
MV not correct
MEDUMAT Basic / Basic p
Basic only:
MV not correct
18
Troubleshooting
Cause of defect
Battery failure
Fuse is defective
Ribbon cable to front membrane
faulty or not connected
On/Off switch faulty
Circuit board faulty
User error
On/Off switch faulty
8
Pressure gauge hose on
MEDUMAT Basic / Basic p Basic,
Basic p or on patient valve slipped
off
Kink in pressure gauge hose
Measured without 10 mbar
counterpressure
Measuring device not calibrated
Spindles in pneumatic block out of
adjustment
Inlet pressure > 6 bar
Patient valve not in order
Adjustment knob incorrectly set
Air Mix/No Air Mix switch
Leak in pneumatic block
Elimination
Replace both batteries
(chap. 6.6, page 23)
Replace the fuse (chap. 6.7,
page 24)
Check plug-in connectors
cable (chap. 6.12, page 29);
If necessary replace top of housing
(chap. 6.18, page 39)
If necessary replace top of housing
(chap. 6.18, page 39)
Replace circuit board (chap. 6.12,
page 29)
Keep switch
8
2 seconds
If necessary replace top of housing
(chap. 6.18, page 39)
Check pressure gauge hose
Set to 10 mbar counterpressure
Calibrate measuring device
Replace pneumatic block (chap.
6.14, page 32)
or replace pneumatic block with
angled outlet (chap. 6.15,
page 34)
Adjust system to below 6 bar
Check diaphragms and O-ring,
replace if necessary (Chapter 6.8 of
Operating Instructions)
Reset adjustment knob (chap. 6.9,
page 25)
Replace switch (chap. 6.17,
faulty
4
page 38)
Replace pneumatic block (chap.
6.14, page 32)
or replace pneumatic block with
angled outlet (chap. 6.15,
page 34)
and
X7
depressed for at least