Technical Manual

32
Operat ional Error
Codes
Durin g radio operation , th e radio perform s dyn am ic tests to determ in e
if th e radio is workin g properly. Problem s detected durin g th ese tests
are presen ted as error codes on th e radio’s display. Th e presen ce of an
error code sh ould prom pt a user th at a problem exists an d th at a
service tech n ician sh ould be con tacted. Use Table 15 to aid in
un derstan din g particular operation al error codes.
Table 15 Operational Error Code Displays
Er ro r Co d e D e sc r i p t i o n Co rre c t i v e Ac t i o n
FAIL 001 Syn th esizer Out-of-Lock a. Reprogram codeplug
b. Sen d radio to depot
FAIL 002 Selected Mode/Zon e Codeplug Ch ecksum Error Reprogram codeplug
Table 16 Receiver Troubleshooting Chart
Sy m p t o m Po ssi b l e Ca u se
Co rre c t i o n o r Te st (Me a su re m e n t s
Ta k e n a t Ro o m Te m p era t u r e )
Radio Dead; Display Does
Not Ligh t Up
1. Dead Battery Replace with ch arged battery.
2. Blown Fuse Sen d radio to depot.
3. On /Off Switch
4. Regulators
Radio Dead; Display
Ligh ts Up
1. Con troller Board Sen d radio to depot.
2. RF Board
No Receiver Audio or
Receiver Does Not Un m ute
Program m in g a. Does th e tran sm itted sign al m atch th e receiver
con figuration (PL, DPL, etc.)?
b. With th e m on itor fun ction en abled, can th e radio
be unm uted?
Audio Distorted or Not Loud
En ough
Syn th esizer Not On
Frequen cy
Ch eck syn th esizer frequen cy by m easurin g th e tran sm itter
frequen cy; if off by m ore th an ±250Hz, realign .
RF Sen sitivity Poor 1. Syn th esizer Not
On Frequen cy
Ch eck syn th esizer frequen cy by m easurin g th e tran sm itter
frequen cy; if off by m ore th an ≤ ±600Hz, realign .
2. An ten n a Switch Sen d radio to depot.
3. Receiver Fron t-
En d Tun in g
(VHF/ UHF on ly)
Ch eck RF fron t-en d tun in g for optim um sen sitivity usin g
th e RSS.
Radio Will Not Turn Off Con troller Board Sen d radio to depot.