Motorola SSETM 5000 service manual Operational Error Codes, Receiver Troubleshooting

Troubleshooting: Operational Error Codes 8-3

8.4Operational Error Codes

During radio operation, the radio performs dynamic tests to determine if the radio is working properly. Problems detected during these tests are presented as error codes on the radio’s display. The presence of an error code should prompt a user that a problem exists and that a service technician should be contacted. Use Table 8-3to aid in understanding particular operational error codes.

Table 8-3. Operational Error Code Displays

Error Code	Description	Corrective Action
FAIL 001	Synthesizer Out-of-Lock	1. Reprogram external codeplug
		2. If 1 does not work, then send
		radio to depot
FAIL 002	Selected Mode/Zone Codeplug	Reprogram external codeplug
	Checksum Error

8.5Receiver Troubleshooting

Table 8-4lists the possible causes of, and corrections for, receiver problems.

Table 8-4. Receiver Troubleshooting Chart

Symptom	Possible Cause		Correction or Test
			(Measurements at Room Temperature)
Radio Dead; Display Does Not	1.	Dead Battery	Replace with charged battery
Turn On
	2.	Blown Fuse	Send radio to depot
	3.	On/Off Switch
	4.	Regulators
Radio Dead; Display	1.	VOCON Board	Send radio to depot
Turns On	2.	RF Board
No Receive Audio, or Receiver	Programming		1. Does the transmitted signal match the receiver
Does Not Unmute			configuration (PL, etc.)?
			2. With the monitor function enabled, can the
			radio be unmuted?
Audio Distorted or Not Loud	Synthesizer Not On		Check synthesizer frequency by measuring the
Enough	Frequency		transmitter frequency; realign if off by more than
			±1000 Hz
RF Sensitivity Poor	1. Synthesizer Not On		Check synthesizer frequency by measuring the
	Frequency		transmitter frequency; realign if off by more than
			±1000 Hz
	2.	Antenna Switch/	Send radio to depot
	Connector
Radio Will Not Turn Off	VOCON Board		Send radio to depot

6881094C12-A November 11, 2004