Fox Thermal FT1 Troubleshooting Manual

MODEL FT1 FLOW METER TROUBLESHOOTING GUIDE
This document has been created to assist Fox Thermal's technical service staff to resolve flow meter problems. Your
assistance to provide complete details is appreciated. At times, you may need to refer to the FT1 Instruction Manual.
A link to the Fox Thermal model FT1 Instruction Manual is located on the "Downloads" tab of the FT1 product
webpage or you can use the direct link below:
https://www.foxthermal.com/products/pdf/ft1/ft1-manual.pdf
Section A: General information:
1. What is the serial number and model number of the flow meter?
2. Please describe the problems in detail.
3. Approximately when did the problem start? Did the flow meter ever work properly or has the problem existed
since the initial installation?
Section B: Troubleshooting:
1. Please provide all alarm codes shown on the display #3 of the meter. You can also read the alarms using a
laptop and Fox's FT1 View™ software. Refer to FT1 Instruction Manual for a full list of alarm codes.
2. What is the measured input power to the flow meter?
Figure B.1: FT1 Wiring Access and Location of Fuse, USB, and LED Indicators
Earth Ground
+12 to 28VDC
12 to 28VDC Return
3. Test/Check fuses and LED status lights for FT1.
• With the power off, take a resistance measurement across the fuse to ensure it measures less than 1 ohm.
• Is the LP3 LED on main board blinking once per second?
4. Have any of the flow meter settings been changed since you received the meter from Fox?
Fuse
TS1
(-) (+) (-) (+)
!
4-20mA
Power
12-28VDC
•
Phone: (831) 384-4300 Fax: (831) 337-5786
Receive LED (Orange)
Transmit LED (Yellow)
Heartbeat LED (Green)
•
www.foxthermal.com
Rev. B