P/N: 1176718
REV: 02/17/2021
Page
23
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10.2: I
NTELLI
ROL
C
OMBINATION
P
OWER
S
UPPLIES
Table 5: IntelliROL Combination Power Supply Troubleshooting Guide
SYMPTOMS
POSSIBLE CAUSES
RECOMMENDED SOLUTIONS
No output from Class 2 circuit
Output turned off at Class 2
protection module (all four
Output Failure indicators are
illuminated red and Input
Status indicator is illuminated
green)
Press ON/OFF-Reset push button
on Class 2 protection module for
less than 1 second to turn on
Class 2 outputs. Alternatively,
apply a 24VDC signal to the
ON/OFF-Reset input on
terminals 11 and 12 of the Class
2 protection module for less
than one second.
Input protection circuit
activated due to low-voltage
input at Class 2 protection
module (all four Output Failure
indicators are illuminated red
and Input Status indicator is
flashing green)
Input voltage to Class 2
protection module has dropped
below 21V. Resolve low-voltage
issue with main power supply
unit. Once issue has been
resolved, press ON/OFF-Reset
push button on Class 2
protection module for more
than 1 second to reset input
protection circuit. Alternatively,
apply a 24VDC signal to the
ON/OFF-Reset input on
terminals 11 and 12 of the Class
2 protection module for more
than one second.
Output circuit faulted
Investigate issue with Class 2
protection module (Output
Failure and Input Status
indicators.)
Output-OK Relay open at
terminals 13 and 14 on Class 2
protection module
Issue with Class 2 protection
module
Investigate issue with Class 2
protection module (Output
Failure and Input Status
indicators.)
