Ricoh D027 Service Manual page 37

SC Tables
No. Type
The IH coil unit full power (1250W) continues for 220 seconds or more.
1.
2.
3.
4.
5.
D027/D029 APPENDICES
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Defective IH inverter
Defective BICU
Defective IOB
Broken connection between IH inverter and IOB
Defective thermopile
Replace the IH inverter.
Replace the BICU.
Replace the IOB.
Check the connection between IH inverter and IOB.
Replace the thermopile.
3-40 SM