INTRODUCTION 1.1 Purpose of this manual The purpose of this Service Manual is to provide a simple and clear description of the procedure to be followed by service engineers when confronted by problems identified by the various alarm codes generated by appliances with the EWM1100 electronic control system. Depending on the configuration of the appliance, the alarm codes may be displayed partially or completely to the user (the alarm codes are generally displayed partially). The diagnostic system can be used by service engineers for the following purposes: To read the alarms To cancel alarm conditions stored in memory To test the operation of the appliance 1.2 Procedure 1.
Identify the type of control system (page 6/7) and access the diagnostic cycle (See page 8) . 2. Read the alarm code stored in memory (page 11) and refer to the instructions for the corresponding alarm code, page 14-15 . 3. Cancel the alarm stored in memory (page 13) . 4. If access to the diagnostic cycle is not possible, refer to the section “Access to diagnostic system impossible” (page 17) . 5. If the main PCB is replaced, check that there are no burned parts (see page 59) . 6. After any repair, always check the operation of the appliance using the diagnostic cycle (page 8) . 7. Cancel any alarms stored in memory during the diagnostic procedure (page 13) .
2007-10 SOI/DT-mdm FCPD-dp Quality-fz 5/59 599 70 32-47