Sonance C4630 SE - Manual (Page 52)

52
C4630 SE HOME AUDIO SYSTEM
TROUBLESHOOTING
KEYPADS
Problem Solution
Keypad does not backlight a) Make sure backlight jumper is in place.
b) Make sure 14-pin ribbon connector is properly connected between Main and
Numeric Keypad (see page 21).
Keypad backlight is too bright Confirm proper Keypad Backlight Jumper position (see page 20).
IR receiver installed in Keypad a) Eliminate interference from light sources, (sunlight, halogen, fluorescent, etc.)
does not work that may be interfering with or locking-up the IR receiver.
b) Move Keypad away from source of interference.
c) Remove the IR receiver from the keypad and mount it in a different location.
POWER
Problem Solution
System will not power up a) Confirm that the AC ON LED is illuminated. If it isn’t, make sure that the power cord is
firmly plugged-into the C4630 SE’s P OWER C ONNECTOR and into a live AC outlet.
b) Keypad button is stuck under bezel, causing continuous IR code transmission.
Keypads 4 – 6 will not power up Switch the Z ONE 4 – 6 K EYPAD P OWER switch on the C4630 SE rear panel to the
I NTERNAL position.
Source components plugged into P OWER switches on components must be in ON or S TANDBY position.
switched outlets do not turn ON
when the system is turned ON
C4630 SE locks-up (zones will not Eliminate AC power line noise by connecting C4630 SE AC cord to a power
turn ON or OFF) or acts erratically conditioner.
AUDIO
Problem Solution
No audio from source a) Is the source ON?
b) Is the source’s line audio out connected to appropriate Source
Input (not
Source Output) on the C4630 SE? (See page 11.)
c) Is source playing?