6.2
ALARM MESSAGES AND ERROR CODES
Technical Service Manual
6 - 9
430-00587-008 (Rev. 2/05)
64-1
Input/output motor
phase loss
Input/output motor does
not have enough torque
Replace mechanism
assembly
Mechanical breakage
in mechanism
65-1
Primary/secondary
motor phase loss
Primary/secondary motor
does not have enough
torque
Replace mechanism
assembly
Mechanical breakage
in mechanism
71-1
Internal timers
out of tolerance
Internal MCU PWA
malfunction
Replace MCU PWA
73-1
+2.5-VDC ADC
reference voltage out of
tolerance
+2.5-VDC reference
to ADC missing or bad
Check fuse F3 on power
supply PWA; replace
fuse, if defective
If condition recurs,
+3.75-VDC reference
to ADC missing or bad
Check fuse F3 on power
supply PWA; replace
fuse, if defective
If condition recurs,
ADC failure
Replace MCU PWA
73-2
+5-VDC ADC reference
voltage out of tolerance
+2.5-VDC reference
to ADC missing or bad
Check fuse F3 on power
supply PWA; replace
fuse, if defective
If condition recurs,
+3.75-VDC reference
to ADC missing or bad
Check fuse F3 on power
supply PWA; replace
fuse, if defective
If condition recurs,
ADC converter failure
Replace MCU PWA
74-1
Air sensor self test
failure; signal seen when
sensors disabled
Air sensor or circuitry failure
Replace mechanism
assembly
74-4
Proximal air sensor
signal too high
Air sensor or circuitry failure
Replace mechanism
assembly
74-5
Distal air sensor signal
too high
Air sensor or circuitry failure
Replace mechanism
assembly
Table 6-2.
Error Codes Requiring Technical Service
Error
Code
Malfunction
Description
Possible Cause
Corrective Action
Summary of Contents for LifeCare XL Series
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