INFICON IC/5 Thin Film Deposition Controller - Manual (Page 277)

13 - 13
IP
N 07
4-
23
7A
E
IC/5 Operating Manual
13.2.2 Troubleshooting the Instrument
Table 13-1 Troubleshooting the Instrument
SYMPTOM CAUSE REMEDY
1. power on LED not
illuminated a. blown fuse/circuit
breaker tripped a.have qualified personnel
replace fuse/reset circuit
breaker
b. electrical cord unplugged
from wall or back of
instrument b. reconnect power cord
c. incorrect line voltage c. have qualified personnel
verify line voltage, verify the
instrument is configured for
the correct voltage
2. unit "locks" up a. cover or back panels not
attached to the instrument a. ensure all covers and
panels are in place and
securely fastened
b. high electrical noise
environment b. reroute cables to reduce
noise pickup (1 ft away from
high power conducting lines
makes a sizable reduction
in the amount of noise
entering the instrument),
keep all ground wires short
with large surface area to
minimize ground
impedance
c. poor grounds or poor
grounding practice c. verify proper earth
ground, use appropriate
ground strap, eliminate
ground loops by
establishing the correct
system grounding, verify
proper instrument
grounding
3. instrument does not
retain parameters on power
down (loss of parameters
on power up) a. faulty static RAM a. SRAM battery has a
normal life expectancy of
ten years, contact INFICON
service department
b. power supply problem b. contact INFICON service
department
4. some keys on front panel
function while others do not a. faulty keypad or faulty
keypad ribbon cable a. contact INFICON service
department