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5 SERIES OPTIHEAT 504W11 INSTALLATION MANUAL
Aurora ‘Advanced’ Control LED Displays
These three LEDs display the status, configuration, and
fault codes for the control. These can also be read in plain
English via the Aurora AID Tool.
Status LED (LED3, Green)
Description of Operation
Fault LED, Green
Normal Mode
ON
Control is Non-functional
OFF
Test Mode
Slow Flash
Lockout Active
Fast Flash
Dehumidification Mode
Flash Code 2
Load Shed
Flash Code 5
Emergency Shutdown
Flash Code 6
On Peak Mode
Flash Code 7
(Future Use)
Flash Code 8
(Future Use)
Flach Code 9
Fault LED (LED1, Red)
Red Fault LED
LED Flash
Code *
Lockout
Reset/
Remove
Fault Condition Summary
ABC Basic F
aults
Normal - No Faults
Off
-
Fault-Input
1
No
Auto
Tstat input error. Autoreset upon condition removal.
Fault-High Pressure
2
Yes
Hard or Soft
HP switch has tripped (>650 psi)
Fault-Low Pressure
3
Yes
Hard or Soft
Low Pressure Switch has tripped (<40 psi for 30 continuous sec.)
Fault-Freeze Detection FP2
4
Yes
Hard or Soft
Freeze protection sensor has tripped (<15 or 30 degF for 30 continuous sec.)
Fault-Freeze Detection FP1
5
Yes
Hard or Soft
Freeze protection sensor has tripped (<15 or 30 degF for 30 continuous sec.)
Fault-Condensate Overflow
7
Yes
Hard or Soft
Condensate switch has shown continuity for 30 continuous sec.
Fault-Over/Under Voltage
8
No
Auto
Instantaneous voltage is out of range. **Controls shut down until resolved.
Fault-FP1 Snsr Error
11
Yes
Hard or Soft
If FP1 Sensor Error
ABC & A
XB A
d
v
anc
ed F
aults
Fault-Compressor Monitor
10
Yes
Hard or Soft
Open Crkt, Run, Start or welded cont, Comp operation in sensitive operating range
Non-CriticAXBSnsrErr
13
No
Auto
Any Other Sensor Error
CriticAXBSnsrErr
14
Yes
Hard or Soft
Sensor Error for EEV or HW
Alert-HotWtr
15
No
Auto
HW over limit or logic lockout. HW pump deactivated.
Fault-VarSpdPump
16
No
Auto
Alert is read from PWM feedback.
Not Used
17
No
Auto
IZ2 Com Fault. Autoreset upon condition removal.
Non-CritComErr
18
No
Auto
Any non-critical com error
Fault-CritComErr
19
No
Auto
Any critical com error. Auto reset upon condition removal
Alarm - Low Loop Pressure
21
No
Auto
Loop pressure is below 3 psi for more than 3 minutes
Alarm - Home Automation 1
23
No
Auto
Closed contact input is present on Dig 2 input - Text is configurable
Alarm - Home Automation 2
24
No
Auto
Closed contact input is present on Dig 3 input - Text is configurable
NOTES:
*All codes >11 use long flash for tens digit and short flash for the ones digit. 20, 30, 40, 50 etc. are skipped!
Alert’ is a noncritical sensor or function that has failed. Normal operation of the heat pump is maintained but service is desired at some point.
The Aurora™ Control System cont..
Summary of Contents for 5 Series 504W11 OptiHeat
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