Modine Manufacturing MPR - Table 55.1 - Furnace Slave Control Board (VB1201) Error Codes

55MCP15-500.7
SERVICE & TROUBLESHOOTING - CONTINUED
Color Flashes Condition
Error Conditions
N/A
Off No power to the control board
Red
Steady On Hard lockout on control fault or no 24 VAC.
1 Insufcientinducerairpressurewheninducerison.
2 Inducer air pressure is too high when inducer is off.
3 Flamecircuitryfailure-ameisonwhenitshouldbeofforitisoffwhenitshouldbeon.
4 Gas valve failure.
5 Gas valve safety relay failure.
6 Reserved
7 Primary limit failure
8 Gas valve in test mode
9 Safety startup failed to validate inducer air path.
Normal and Warning Conditions
Green
Slow Standby - no communication link established
Rapid Standby - in communication with Bus Master
1 Call for heat, no gas
2 Call for heat, gas
Yellow
2 Callforheat,gas,amerodaged
Rapid Retry
Table 55.1 - Furnace Slave Control Board (VB1201) Error Codes
(Applies only to C- and D-Cabinet Units with Gas Heat Option furnace model number Digit 11=8) j