Inter-Tel Glx Plus Issue 2 Installation And Field Maintenance Manual

INTER-TEL PRACTICES 
GLX-PLUS INSTALLATION & MAINTENANCE TROUBLESHOOTING 
Issue 2, June 1993 
TROUBLESHOOTING 
CONTENTS PAGE 
1. Introduction ......................................................... 
2. Troubleshooting Checklist ............................................. 
3. Troubleshooting Charts ................................................ 
A. Features ........................................................ 
B. Intercom ........................................................ 
C. CO Lines...

TROUBLESHOOTING 
Issue 2. June 1993 INTER-TEL PRACTICES 
GLX-PLUS INSTALLATION L MAINTENANCE 
NOTE: If the LED is not flashing, there may still 
be an error. Place the PWR switch in the OFF 
position for 10 seconds; then return it to the ON 
position. (Turning the PWR switch off drops all 
calls in progress.) If the LED flashes, a software 
error has occurred. Follow the procedures given 
below. 
a. If the ERROR LED is flashing, an error has 
occurred in the system. Count the number of 
flashes...

INTER-TEL PRACTICES 
GLX-PLUS INSTALLATION & MAINTENANCE TROUBLESHOOTING 
Issue 2, June 1993 
3. TROUBLESHOOTING CHARTS 
3.1 The simplified troubleshooting charts located on 
the following pages list symptoms, possible causes, and 
corrective actions for problems. Look up the problem in 
the appropriate chart and perform the corrective actions 
in the order given. The troubleshooting procedures for 
correcting equipment failures have been divided into 
the following six categories: 
A. Features 
B....

TROUBLESHOOTING 
Issue 2, June 1993 INTER-TEL PRACTICES 
GLX-PLUS INSTALLATION & MAINTENANCE 
E. SINGLE-LINE SETS 
3.7 If the problem is associated with a single-line set, 
refer to Figure 6-5, Single-Line Set Troubleshooting 
Chart, on page 6-14. The troubleshooting charts cover 
the following features: 
Single-line set is completely inoperative. 
Single-line set inoperative; talk battery is present. 
Single-line set inoperative; calls ring in; talk battery 
is present. 
Single-line set receives CO’...

INTER-TEL PRACTICES 
GLX-PLUS INSTALLATION & MAINTENANCE TROUBLESHOOTING Issue 2, June 1993 
FIGURE 6-l. FEATURE TROUBLESHOOTING CHART 
PROBABLE CAUSE 
User error 
Defective station instrument 
Defective Expansion PCB or 
APM 
Defective Main Control 
PCB 
SYMPTOM 
Last number redial does not 
vork 
Speed-dial memory lost or 
not working 
PROBABLE CAUSE 
User error 
Dialing speed too fast for 
PBX or central office 
Defective keyset 
Defective Expansion PCB or 
APM 
Defective Main Control 
PCB 
CORRECTIVE...

TROUBLESHOOTING Issue 2, June 1993 INTER-TEL PRACTICES 
GLX-PLUS INSTALLATION dz MAINTENANCE 
FIGURE 6-l. FEATURE TROUBLESHOOTING CHART (CONT’D) 
SYhlPTOM PROBABLE CAUSE 
Zannot initiate a conference User error 
Conference circuits are busy 
Intercom channels are busy 
Defective station instrument 
Defective Expansion PCB or 
CORRECTIVE ACTION 
I 
Refer to page 4-30. 
I 
There are two conference circuits. When both are 
busy, the initiating party hears a busy signal. In- 
side parties are disconnected...

INTER-TEL PRACTICES 
GLX-PLUS INSTALLATION & MAINTENANCE TROUBLESHOOTJNG 
Issue 2, June 1993 
FIGURE 6-l. FEATURE TROUBLESHOOTING CHART (CONT’D) 
SYMPTOM 
Call is not forwarded to pub- 
lic network. Caller hears fast 
busy signal. 
PROBABLE CAUSE CORRECTIVE ACTION 
Call is toll-restricted or line If both station instruments are toll-restricted or 
is restricted 
restricted from accessing the CO line, the call is 
restricted. 
Line is not programmed for A CO line must be programmed as the call for- 
call...

TROUBLESHOOTING 
Issue 2, June 1993 INTER-TEL PRACTICES 
GLX-PLUS INSTALLATION & MAINTENANCE 
FIGURE 6-2. INTERCOM TROUBLESHOOTING CHART 
NOTE: These symptoms are isolated to one station instrument only. For identical problems involving more than one 
station instrument, refer to Figure 6-6, System Troubleshooting Chart, on page 6-16. 
SYMPTOM 
No intercom dial tone 
PROBABLE CAUSE 
Defective station cabling 
Defective station instrument 
Defective Expansion PCB or 
APM 
Defective Main Control 
PCB...

INTER-TEL PRACTICES 
GLX-PLUS INSTALLATION & MAINTENANCE TROUBLESHOOTING 
Issue 2, June 1993 
FIGURE 6-3. CO LINE TROUBLESHOOTING CHART 
SWJPTOM PROBABLE CAUSE 
ZO lines will not ring for in- CO ring duration timer is set 
:oming calls too long 
CORRECTIVE ACTION 
Attach a lineman’s test set to one of the lines at the 
RJ connector. Place an outgoing call that will ring 
in on the line with the test set. Check for ring sig- 
nal. If you hear ring signal, set the timer to a short- 
er duration. Refer to...

THOUBLESHOOTING 
Issue 2, June 1993 INTER-TEL PRACTICES 
GLX-PLUS INSTALLATION & MAINTENANCE 
FIGURE 6-3. CO LINE TROUBLESHOOTING CHART (CONT’D) 
SYMPTOM 
Other conversations can be 
heard on the line (crosstalk) 
I 
PROBABLE CAUSE 
Defective CO line(s) 
CO lines miswired 
Defective Expansion PCB or 
APM 
Defective Main Control 
PCB 
SYMPTOM 
I PROBABLE CAUSE 
Outside call dropped upon 
answering or during con- 
versation 
Database error 
I IAPM - 
CORRECTIVE ACTION 
I 
Attach a lineman’s test set to...