1 - troubleshooting matrix, 1 troubleshooting matrix – Lennox Hearth G8 User Manual
Page 83
Troubleshooting
54-0198
83
4.1
Troubleshooting Matrix
The troubleshooting matrix shown in Table 4-1 identifies some
trouble symptoms, their possible causes, and references to
troubleshooting solutions.
Table 4-1
Troubleshooting Matrix
Antenna non-functional
1
2
Antenna not switching satellites via IRD
2
1
1
1
3
2
2
2
2
Antenna not switching satellites via MCU
2
1
1
1
3
2
No picture on TV set
1
1
2
2
2
2
2
Certain channels do not work
2
1
1
1
3
2
2
2
Intermittent picture for short intervals
1
1
1
2
2
2
3
2
System works at dock but not on the move
1
3
System will not find satellite
2
1
1
1
1
2
3
2
2
2
3
2
Snowy television picture
2
1
2
2
Pixelating television picture
2
1
2
2
2
3
2
Satellite co
ve
rage issue
Antenna gyro f
aulty (Section 4.4)
LNB assemb
ly f
aulty (Section 4.4)
Satellite signal b
loc
ke
d
Incorrect or loose RF connectors
Radar interf
erence
POSSIBLE CA
USE (AND SOLUTION)
SYMPTOM
Po
w
er disturbance
, b
lo
wn fuse
, or lo
w po
w
e
r
V
essel tur
ning dur
ing star
tup
Type of m
ultis
witch used
Incorrect satellite configur
ation
IRD f
aulty or improper
ly configured (Section 4.3)
Satellite frequency data changed
Section 4.2
Key
1 = Anyone can do
2 = Electronics know-how recommended
3 = Dealer service recommended
Improper wir
ing
Data/po
w
er cab
le interf
erence