
RT-SVD03L-EN
77
ReliaTel
™
™
LED Functions
Modules and Codes
ReliaTel
™
™
Refrigeration Module (RTRM)
Green System LED
•
On: Normal operation (slight flickering is normal)
•
Off: No power, board failure
•
One blink: Emergency stop open when attempting
test mode
•
2 flashes every two seconds indicates a diagnostic
is present (V 4.0 or greater) [see
LED Diagnostic Indicator,” p. 33
for a list of
diagnostics]
•
Continuous ¼ second blink: Test Mode
Green Transmit LED
•
Very fast flash: Normal operation, information
being sent to other modules
•
Off: System failure
Yellow Receive LED
•
Very fast flash 0.5 second, off 1.5 second: Normal
communication
•
1/4 second wink every 2 seconds: Not
communicating with any other module
•
Off: Board failure
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™
Options Module (RTOM)
Green system LED
•
On: Normal communication with RTRM
•
1/4 second on, 2 seconds off: No communication
•
Off: No power or board failure
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Ventilation Module (RTVM)
Green system LED
•
On: Normal communication with RTRM
•
1/4 second on, 2 seconds off: No communication
•
Off: No power or board failure
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™
Air Handling Module (RTAM)
Green system LED
•
On: Normal communication with RTRM
•
1/4 second on, 2 seconds off: No communication
•
Off: No power or board failure
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Dehumidification Module
(RTDM)
•
NA - No Onboard LED
Economizer Actuator Module (ECA),
(RTEM)
Green system LED
•
On: OK to economize
•
Slow flash: Not OK to economize
•
Fast flash: Not communicating with RTRM
•
OFF: No power or system failure
•
1/2 second on, 2 seconds off: no communication
•
Error codes — 1/2 second on, 1/4 second off:
–
1 flash – Actuator fault
–
2 flash – CO
2
sensor
–
3 flash – RA humidity sensor
–
4 flash – RA temp sensor
–
6 flash – OA humidity sensor
–
7 flash – No communication with RTRM or OAT
sensor has failed
–
8 flash – MA temp sensor
–
9-11 flash – Internal fault
Ignition Control (IGN)
N
No
otte
e:: See ignition control section for specific flash
code schedule.
Green System LED
•
On: Normal no call for heat
•
Slow flash: Active call for heat
•
Fast flash: Not communicating with RTRM
•
Error codes:
–
2 flash – system lockout – failure to sense flame
–
3 flash – pressure switch failure to close when
CBM stops or open when CBM starts (not
applicable to 12½ to 50 tons)
–
4 flash – TCO circuit open
–
5 flash – Flame being sensed yet gas valve not
energized
–
6 flash - Flame rollout (FR) circuit open
N
No
otte
e:: 6 flash not applicable to 12.5 to 50 Tons.
TCI COMM3/4 Interface (Tracer
®
®
,
VariTrac
®
®
)
Yellow RX (Receive) LED
•
Flashing intermittently: ICS line activity
•
Off: Communication down or no power
Содержание ReliaTel
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