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"Chk Wiring then reset unit" message scrolls on display when unit is powered ON
KD-R320J
KD-R420J
KD-R428J
KD-R528J
KD-R628J
KD-AHD79J
Cause
The wires were shorted during installation.
Cure
1. Remove the Radio and disconnect the Harness.
2. Verify the Units wiring and ensure there are no shorts.
Check for misconnection (for example; DC12V to Left speaker negative to
reverse signal)
Check for loose connections
Check for uncovered connections
3. Clear the error using the procedure below.
PROCEDURE
Apply this procedure after verifying the units wiring.
It is NOT possible to clear the error message if the wiring problem has not been
corrected.
1. Remove wiring harness from unit (remove all DC power).
2. Simultaneously press and hold the [MENU] and [UP arrow] button.
3. While holding [Menu] / [Up arrow] buttons, insert the unit's wiring harness
(reapply DC power to the unit).
a.
"DC ERR" will be displayed.
b. If "Chk wiring..." message reappear, retry steps 1-3 again.
JVC U.S.A.
Customer Care Center 1-800-252-5722
CUSTOMER PROCEDURE
KD-R520J
KD-BTP50J
KD-HDR70J
KD-HDR44J
KD-BPT30J
KD-A525J
KD-A625J
KW-HDR720J
(1/2)
KD-R328J
KD-R620J
TP 8/12/11
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Summary of Contents for JVC KD-R320J
- Page 1 (1/2) JVC U.S.A. Customer Care Center 1-800-252-5722 CUSTOMER PROCEDURE “Chk Wiring then reset unit” message scrolls on display when unit is powered ON KD-R320J KD-R420J KD-R520J KD-HDR44J KD-BPT30J KD-R328J KD-R428J KD-R528J KD-BTP50J KD-A525J KD-A625J KD-R620J KD-R628J KD-AHD79J KD-HDR70J KW-HDR720J Cause The wires were shorted during installation.
- Page 2 11. Press the [Reset] button on the unit to reset it. 12. Reinstall the units Faceplate and Power ON the unit. a. Operation should be restored. b. If “Chk wiring…” occurs again, the unit maybe defective. Contact a JVC authorized service center for assistance. TP 8/12/11...