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T H E S M A R T S O L U T I O N F O R E N E R G Y E F F I C I E N C Y
Tr a n q u i l i t y
®
( T R ) S e r i e s
R e v. : N o v e m b e r 2 , 2 0 2 0
c l i m a t e m a s t e r. c o m
DXM2 Controls, Cont’d.
Table 5c: LED and Alarm Relay Output Table
DMX2 CONTROLLER FAULT CODES
DMX2 Fault and Status LED Operation
with Test Mode Not Active
Fault LED
(Red)
Status LED
(Green)
Alarm Relay
DXM2 Is Non-Functional
Off
Off
Open
Normal Operation - No Active Communications
On
On
Open
Normal Operation - With Active Communications
Very Slow Flash
ON
Open
Control Is Currently In Fault Retry Mode
Slow Flash
-
Open
Control Is Currently Locked Out
Fast Flash
-
Closed
Control Is Currently In An Over/ Under Voltage Condition
Slow Flash
-
Open (Closed After 15 min)
Hot Water Mode Active
-
Slow Flash
Open
(NSB) Night Setback Condition Recognized
-
Flashing Code 2
-
(ESD) Emergency Shutdown Condition Recognized
-
Flashing Code 3
-
Invalid Thermostat Input Combination
-
Flashing Code 4
-
High Hot Water Temperature Lockout Active
-
Flashing Code 5
-
Hot Water Mode Sensor Fault Active
-
Flashing Code 6
-
DMX2 Fault LED and Status Operation
with Test Mode Active
Fault LED
(Red)
Status LED
(Green)
Alarm Relay
No Fault Since Power Up In Memory
Flashing Code 1
-
Cycling Code 1
High Pressure Fault In Memory
Flashing Code 2
-
Cycling Code 2
Low Pressure Fault In Memory
Flashing Code 3
-
Cycling Code 3
Low Temperature Protection 1 In Fault Memory
Flashing Code 4
-
Cycling Code 4
Low Temperature Protection 2 In Fault Memory
Flashing Code 5
-
Cycling Code 5
Condensate Overfl ow Fault In Memory
Flashing Code 6
-
Cycling Code 6
Over/Under Voltage Shutdown In Memory
Flashing Code 7
-
Cycling Code 7
UPS Warning In Memory
Flashing Code 8
-
Cycling Code 8
UPT Fault In Memory
Flashing Code 9
-
Cycling Code 9
ECM Air Flow Fault In Memory
Flashing Code 10
-
Cycling Code 10
Test Mode Active With No ECM Connected Or Operating
-
Fast Flash
-
Test Mode Active With ECM Operating
-
Flashing ECM Airfl ow
-
- Fast Flash = 2 fl ashes every 1 second.
- Slow Flash = 1 fl ash every 2 seconds.
- Very Slow Flash = 1 fl ash every 5 seconds.
- Numeric Codes = On pulse 1/3 second; Off pulse 1/3 second followed by a 10 second delay.
- ECM Airfl ow = 1 fl ash per 100 CFM; On pulse 1/3 second followed by a 10 second delay.
- Alarm Relay Open = alarm signal off; Alarm Relay Closed = alarm signal on.
Summary of Contents for Tranquility TR Series
Page 2: ......
