Re-Verber-Ray MP-25-80N Insert Manual page 21

MP Series
Figure 3.2 • Circuit Board LEDs
LED2
LED3
LED4
LED5
LED6
LED2
LED3
LED4
LED5
LED6
Chart 3.1 • Operation LED
LED Color
1
Green
Chart 3.2 • Diagnostic LEDs
LED Color
2
Green
3
Green
4
Green
5
Green
6
Red
Chart 3.3 • Flash Code Status LED (located on Circuit Board)
Each of the following status codes is a two digit number with the first digit determined by the number of
short flashes and the second digit by the number of long flashes.
LED Short Flash: 0.5 Seconds ON, 0.5 Seconds OFF.
LED Long Flash: 1.5 Seconds ON, 1.5 Seconds OFF.
LED CODE
(Number of Flashes)
Long Run Time - Actual temperature fails to rise after 4 hours of consecutive running.
1-1
Blower - Fan is on but static pressure is not reading properly.
1-2
Ignition Module Failure - Ignition module failed to initiate sequence of ignition.
1-3
Ignition Soft Lockout - Control will auto reset after 15 minutes. See lockout in diagnostics
1-4
section.
Ignition Hard Lockout - Ignition module will NOT auto reset; unit will not operate unless
2-1
there is an interruption by the user.
2-2 Sensor Error - External temperature sensor is shorted or reading open.
2-3 Internal Software Error - Failure with software on modulating controller.
2-4 Model Selection or Setup Error - Invalid model selection DIP Switch configuration
3-2 Error with User Interface - Short was detected in user interface.
LED1
LED2
LED3
LED4
LED5
LED6
Description
Relay ON
Description
Power
Heat
Fan
Valve
Service
STATUS / ERROR
21
3.0 Operation • Diagnostics
LED1
LED1
Operation
On if relay ON to ignition module.
Operation
On if power to unit.
On if call for heat.
On if fan energized.
On if valve energized.
Errors (see Chart 3.3).