Bray 70 Series SERVO PRO - Manual (Page 14)

12
BRAY Series 70 Servo Pro
Operation and Maintenance Manual
4.4 s
tatus
led f
lasH
c
odes
Table 3 shows various diagnostic Flash Codes and
their descriptions.
If more than one advisory condition or error condition
exists, only one Flash Code will appear at a time. The
first condition must be corrected before the second (or
subsequent) Flash Code will appear.
t
able
3: s
tatus
led
flasH codes
No. Indication Description Possible Solution(s)
1
Steady Green Flash
(1 second on, 1 second
off) “Heartbeat”
Normal Operation Servo Pro Functioning Normally
2 2 Green Flashes
Calibration Defaults
Loaded
Calibration may be acceptable, but if not, adjust
travel limits and restart the Calibration
3 3 Green Flashes
Reverse Acting Mode
Selected
This is an advisory that the Reverse Acting
mode has been selected. Adjust Configuration
switch 7 if forward operation is required.
4 4 Green Flashes
HVAC 2-10 VDC
Command Signal
Selected
This is an advisory that the HVAC 2-10 VDC
input has been selected. Adjust Configuration
switches 1, 2 and 3 if this Command Signal is
not required.
5 1 Red Flash Handwheel engaged
Push the Handwheel in towards the actuator to
Disengage
6 2 Red Flashes Command Signal Failure Verify Command Signal, verify wiring, adjust
Configuration switches to match Command Signal
7 3 Red Flashes Feedback Pot Fault
Verify feedback pot wiring, position the
feedback Pot cam correctly, see Feedback Pot
calibration notes
8 4 Red Flashes Limit Switch Fault
Verify wiring of limit switches, verify limit switch
cam settings, verify that both limit switches are
not tripped simultaneously (the actuator cannot
be fully open and fully closed at the same time)
9 5 Red Flashes Torque Switch Fault
Verify that optional torque switches are installed
and wired correctly, reverse direction of actuator,
correct over-torque condition – OR – if optional
torque switches are not installed, disable the
torque switch input setting Configuration switch
10 to ON.
10 6 Red Flashes
Feedback Pot Wired In
Reverse
This check is only performed during Calibration.
Remove power from the Servo Pro, correct the
wiring to the feedback pot, reapply power to the
Servo Pro, and restart the Calibration.