Tuttnauer Valueklave 1730 Autoclave
Defect: Heat lamp OFF in STE cycle
Timer is off, or, heat lamp is defective. Further, the control thermostat may be set to the wrong temperature or the MSW1 is stuck in the down position.
Make sure the timer is turned on (and advanced past 10 minutes). Check for an open circuit in the heat lamp if the unit has no heat, OR, check or replace heat lamp if the unit has heat and pressure. Adjust or replace MSW1 as necessary.