Inter-Tel GMX-48 INSTALLATION & MAINTENANCE Manual

TROUBLESHOOTING 
Issue 2, May 1990 
INTER-TEL PRACTICES 
GMX-48 INSTALLATION & MAINTENANCE 
FIGURE 6-4. FEATURE TROUBLESHOOTING CHART (CONT’D) 
$WMPTOM PROBABI I= CAUSE CORRECTIVE ACTION 
Calls will not forward User error The FWD key is lit when the station has 
been placed in call forward. Refer to 
FEATURES, page 4-70, for procedures. 
Illegal forward Conditional forwards (i.e., if busy, if un- 
answered) may form an undetected loop. 
If a call forward request forms a 
conditional loop, the call...

INTER-TEL PRACTICES TROUBLESHOOTING 
GMX-48 INSTALLATION & MAINTENANCE Issue 2, May 1990 
FIGURE 6-4. FEATURE TROUBLESHOOTING CHART (CONT’D) 
SYMPTOM 
Station is not receiving pages PROBABLE CAUSE 
User error 
Programming error 
CORRFCTIVE ACTION 
Pages may have been halted using the page 
remove feature code (see page 4-85 in 
FEATURES). Or, the station may be in 
do-not-disturb. 
Check page zone programming for the 
station. See PROGRAMMING, page 5-88. 
Call privacy release 
inoperative User error...

TROUBLESHOOTING 
INTER-TEL PRACTICES 
Issue 2, May 1990 GMX-48 INSTALLATION & MAINTENANCE 
FIGURE 6-4. FEATURE TROUBLESHOOTING CHART (CONT’D) 
QYMPTOM 
Automated attendant 
inoperative User error 
ECTIVE ACTION 
A DTMF phone is required. Refer to 
FEATURES, page 4-13. 
DTMF decoder 
unavailable If a DTMF decoder is not available, the 
caller is transferred to the automated 
attendant’s attendant. 
Programming error 
Automated attendant station(s) must be 
designated in the database. Refer to...

INTER-TEL PRACTICES TROUBLESHOOTING 
GMX-48 INSTALLATION & MAINTENANCE Issue 2, May 1990 
FIGURE 6-5. KEYSET TROUBLESHOOTING CHART 
SYMPTOM PROBABLE CAUSE 
CORRFCTtVE ACTION 
Keyset inoperative. LED 
indication present while 
any key with an LED is 
held down. Reorder tone 
is heard when key is 
pressed. Programming error 
(circuit not equipped; 
display shows STN 
CIRCUIT IS UN- 
EQUIPPED) 
Programming error 
(circuit identified as 
DSS/BLF; no reorder 
tone is heard) Equip the circuit. Refer to...

TROUBLESHOOTING Issue 2, May 1990 INTER-TEL PRACTICES 
GMX.48 INSTALLATION & MAINTENANCE 
FIGURE 6-5. KEYSET TROUBLESHOOTING CHART (CONT’D) 
SYMPTOM 
PROBABI F CAUSE 
A group of 8 keysets 
inoperative. No LED 
indication when a line key 
is held down. All affected 
keysets are located on the 
KCB or on EXP. Defective fuse on 
the associated KCB 
or EXP 
Defective KCB or 
EXP 
Defective station 
amphenol connector 
or cable CORRECTIVE ACTION 
l%m off the AC power, remove the fuse, 
and use an ohmmeter to...

INTER-TEL PRACTICES TROUBLESHOOTING 
GMX-48 INSTALLATIQN & MAINTENANCE Issue 2, May 1990 
FIGURE 6-5. KEYSET TROUBLESHOOTING CHART (CONT’D) 
SYMPTOM PROBABLE CAUSE CORRECTIVE ACTION 
Keyset squeals on outside 
calls or when receiving 
a handsfree intercom 
call from a single-line 
station (feedback) Speaker volume is too 
loud 
Poor acoustics Reduce feedback by lowering speaker 
volume using keyset volume controls. 
Poor acoustics can cause poor quality on 
handsfree calls. Try placing a private call....

TROUBLESHOOTING 
Issue 2, May 1990 INTER-TEL PRACTICES 
GMX-48 INSTALLATION & MAINTENANCE 
FIGURE 6-5. KEYSET TROUBLESHOOTING CHART (CONT’D) 
SYMPTOM PROBABLE CAUSE 
Cannot place intercom 
call. Intercom dial tone 
is present, but reorder 
tone is heard when call is 
is attempted. User error 
Defective keyset 
Defective station circuit Replace defective KCB or EXP 
Defective KCB 
CORRFCTIVE ACTION 
Illegal dialing sequence used. Try again, 
using proper dialing sequence. See 
FEATURES, page 4-46....

INTER-TEL PRACTICES 
GMX-48 INSTALLATION & MAINTENANCE TROUBLESHOOTING 
Issue 2, May 1990 
FIGURE 6-5. KEYSET TROUBLESHOOTING CHART (CONT’D) 
SYMPTOM 
Data device (connected to 
24-line keyset) not operating 
properly PROBABLE CAUSF 
User error 
Secondary voice path 
busy (if installed) 
Problem with data device 
Data Port Module not 
Check Data Port Module installation and 
installed properly or 
strap settings. Refer to INSTALLATION, 
defective page 3-42. Replace if defective. 
Defective keyset...

TROUBLESHOOTING 
Issue 2, May 1990 INTERsTEL PRACTICES 
GMX.48 INSTALLATION & MAINTENANCE 
FIGURE 6-5. KEYSET TROUBLESHOOTING CHART (CONT’D) 
SYMPTOM 
Cannot receive off-hook 
voice announce calls 
JZROBABLE CAUSF 
Programming error 
Installation 
Secondary voice path 
busy 
Defective keyset 
Defective station circuit 
Replace defective KCB or EXI? 
Defective KCB 
Refer to page 6-2 to test the system 
voltages. Replace the control board if 
faulty. 
CORRECTlVF ACTION 
Ensure that the system option for...