I have a intertthrm gas derect ignition furnace model MMHB-070ABHR-06 led light flashes 2 times furnace does nothing codes on door panel are unreadable need the diagnostics codes can any one help I would be very grateful thanks in advance

Voltages on control mod are

Control Module: On call for heat:

L1 and L2 = 120vac

IND and L2 = 120vac

After approx. 1 minute :

HSI and HSIG = 120vac

PSI and C = 24vac

PSO and C = 24vac

GV and C = 24vac

This is all the info I have