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Troubleshooting
Hierarchy Description
Resolution
Control Behavior
during Error Condition
1
NVM Error
Load defaults and/or power cycle
the control
Do not operate any outputs
2
Faulty Mixed Outlet
(T1) sensor
Ensure that the T1 wiring is
correct
Do not operate any outputs
3
Faulty Mixed Outlet
(FT1) sensor
Ensure that the FT1 wiring is
correct
Do not operate any outputs,
Do not calculate energy
4
Max Temp Exceeded
- Increase "Mixed Out Maximum"
within the "System" settings.
- Turn on a tap to cool down the
system.
Control Resets
5
Faulty Recirc Return
(T2) sensor
Ensure that the T2 wiring is
correct
Do not operate recirculation
pump, Do not calculate
energy
6
Faulty Cold Supply
(T3) sensor
Ensure that T3 sensor wiring is
correct
Continues operation
7
Faulty Hot Supply
(T4) sensor
Ensure that T4 sensor wiring is
correct
Continues operation
8
Faulty Mixed Outlet
Pressure (P1) sensor
Ensure that P1 sensor wiring is
correct
Continues operation
9
Faulty Recirc Return
Pressure (P2) sensor
Ensure that P2 sensor wiring is
correct
Continues operation
10
Faulty Cold Supply
Pressure (P3) sensor
Ensure that P3 sensor wiring is
correct
Continues operation
11
Faulty Hot Supply
Pressure (P4) sensor
Ensure that P4 sensor wiring is
correct
Continues operation
12
Faulty Mixed Outlet
Flow (F1) sensor
Ensure that F1 sensor wiring is
correct
Do not calculate energy
13
Faulty Recirc Return
Flow (F2) sensor
Ensure that F2 sensor wiring is
correct
Do not calculate energy
The alert relay is configured to close while an error is occurring. Once the error is cleared the alert relay
will open.
NOTICE
OMM-0126-0A
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