TEC26x7-2 Series BACnet® MS/TP Networked Thermostats with Two Outputs Installation Instructions
23
Accessories
All the accessories in Table 6 include mounting
hardware; contact the nearest Johnson Controls®
representative to order any of these parts.
Note:
Review the technical specifications of the
accessories prior to their use in an application.
Repair Information
If the TEC26x7-2 Series Thermostat fails to operate
within its specifications, see Table 7 for troubleshooting
details and Table 8 for display messaging. For a
replacement thermostat, contact the nearest
Johnson Controls representative.
Table 6: Accessories (Order Separately)
Code Number
Description
SEN-600-1
Remote Indoor Air Temperature Sensor
TE-6361M-1
1
Duct Mount Air Temperature Sensor
SEN-600-4
Remote Indoor Air Temperature Sensor with Occupancy Override and LED
TE-636S-1
Strap-Mount Temperature Sensor
MS-BACEOL-0
RS485 End-of-Line Terminator
1.
Additional TE-636xx-x Series 10k ohm Johnson Controls Type II Thermistor Sensors are available; refer to the
TE-6300 Series Temperature Sensors Product Bulletin (LIT-216320)
for more details.
Table 7: Troubleshooting Details
1
(Part 1 of 2)
Symptom
Probable Causes
Multiple
Symptoms
Excessive bus errors may be occurring.
A device may have been added or changed with a duplicate address (may not be the same address as
some devices having problems, and may have happened sometime before the problem was noticed).
Wiring errors or wire problems may exist.
The baud rate may have been changed on some devices on the network, but not all devices.
Max_Master may have been changed incorrectly (may have happened sometime before the problem
was noticed).
A download may be in progress.
There may be a fault at a device.
A repeater may be needed or may be configured incorrectly.
There may be a duplicate device object name or instance.
Poor Performance
See the probable causes listed in the
Multiple Symptoms
section earlier in this table.
Excessive bus traffic may exist (bus overload).
The baud rate may be set too low.
There may be too many devices on the network.
There may be unaccounted devices on the network (not mapped to the NAE).
There may be unusually slow devices on the network or devices that are slow to respond.
Thermostat Goes
Offline
See the probable causes listed in the
Multiple Symptoms
section earlier in this table.
A power failure or other failure may have occurred at the thermostat.
Communication may have been disabled at the thermostat.
