ZFR1810 Wireless Field Bus Coordinator Installation Instructions
9
Troubleshooting LEDs
The ZFR1810 Coordinator has five LEDs that indicate
power, fault status, FC Bus activity, wireless activity,
and signal strength. See Figure 1. These status LEDs
are described in Table 3.
Repair Information
If the ZFR1810 Wireless Field Bus Coordinator fails to
operate within its specifications, replace the unit. For a
replacement ZFR1810 Coordinator, contact the nearest
Johnson Controls representative.
Note:
The firmware in the ZFR1810 Coordinator can
be upgraded using the Controller Configuration Tool
(CCT).
Table 3: ZFR1810 Coordinator Status LEDs
Name
Color
Normal
Descriptions
Power
Green
On
Off Steady
= No power.
On Steady
= Normal operation (power available
from 24 VAC connector or Field Controller
Sensor Actuator [FC/SA] Bus IN jack).
Fault
Red
Off
Off Steady
= Normal.
On Steady
= Internal Errors detected.
FC Bus
Green
Blink
Blink - 2 Hz
= Normal operation (ZFR1810
Coordinator is receiving BACnet® frames over the
wire).
Off Steady
= Attempting to Auto Baud, or not
connected to active MS/TP network.
On Steady
= Auto Baud complete and not
receiving BACnet frames.
Wireless
Green
Blink
Blink - 2 Hz
= Normal operation (ZFR1810
Coordinator is receiving BACnet frames over the
wire).
Off Steady
= Not receiving BACnet frames.
On Steady
= Stopped receiving BACnet frames.
Signal Strength
Green
Signal Strength
1
Indication
:
3 Flashes
- Excellent
2 Flashes
- Good
1 Flash
- Weak
OFF for 3 seconds
- None
OFF Steady
= Not able to start a network.
ON Steady with Signal Strength displayed once
every 10 seconds
= Normal operation (ZFR1810
Coordinator is a member of a wireless network).
1.
Signal Strength appears once every 10 seconds or when the Network Optimize/Reform button on the
ZFR1810 Coordinator is depressed momentarily (less than 5 seconds).
