ConMed sabre 180, Service Manual

Page: 72 / 72

A-2
Meaning (dependent
HLP on when performed
Code as noted) When Performed Possible Causes
6 Attempted entry Initialization -RF shield not in place
into a guarded and operation -Faulty A3U3 (8031)
memory location or -Faulty A3U1 (27C64)
CPU failure.
7 Watchdog Timer Initialization -Faulty A3U5
hardware does not -Faulty A3U13
disable RF drive. -Faulty A3U23
-+12 supply on A3 incorrect
-Faulty A3R50 or R51
8 Detection of a Initialization -Shorted or pressed hand or foot control
shorted hand or -Continuity detector failure
foot control -A3U11 (8255) failure
-Shorted bypass caps on control lines
9 Attempted entry to Cal Mode -A3S1 set in Cal position
Cal mode without -Faulty/Disconnected control panel
“PAD” button pressed. -Faulty A2U1
10 Incomplete Cal Cal mode -One or more Cal points not
calibrated on return to CAL menu.
11 Non-monotonic Cal mode -OPERATOR error when calibrating
Calibration power
-Faulty Waveform Generator
-Faulty Base Voltage Generator
-Faulty A3U2 (X2001)
12 The power setting in Operation -RF shield not in place
data memory does not -Faulty A2U1
match that displayed -Faulty A3U3
for this mode. -Faulty bus connection to A2J2
13 Control Panel Initialization -Pushbutton shorted in control panel
button stuck -A2U1 or RN1 defective
-Operator error
21 A.R.M. voltage Operation -Shorted VARM sense line
Less than +0.4V -Shorted A3VR1
-Shorted A4Q5 or Q6
-Shorted A4T2