Convotherm OES 10.20 Service Manual

Service Handbook OEB/OES/OGB/OGS
AS/11-2011 0_00e_Cover sheet_b.doc
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CONVOTHERM
Elektrogeräte GmbH
Service Documents OEB / OES
OGB / OGS
Service Folder No.:
(English)
Name:
Specifications are subject to change without notice.

Convotherm OES 10.20 Specifications

General

Brand	Convotherm
Model	OES 10.20
Category	Kitchen Appliances
Language	English

Summary

Installation Handbook

Unit Information OEB/OES/OGB/OGS

Basic settings (parallel to cooking programmes)

Details on basic settings for cooking programmes, including standby modes and system configurations.

Functioning of the cooking programmes

Explanation of how various cooking programmes function, including steaming, convection, and regeneration modes.

Electronics Information OEB/OES/OGB/OGS

Error Codes

List and explanation of error codes encountered during operation, aiding in troubleshooting.

Emergency programme

Details on utilizing the emergency programme for restricted operation during errors.

Cleaning / Maintenance

Cleaning the Unit

Instructions for cleaning various parts of the unit, including the oven, gaskets, and ventilation areas.

CONVOTHERM Descaling

Procedures for descaling the oven, steam generator, and unit parts to prevent buildup and damage.

Trouble shooting List and Error Codes Electronic

Error Codes

Comprehensive list of error codes, their descriptions, and possible causes or remedies for electronic issues.

Error diagnosis with help of the LEDs on the Controls (module self-checking)

Guide to diagnosing errors using the LEDs on the control modules.

Service Instructions

Electronic Control Board installation

Detailed instructions for installing and replacing electronic control boards and their modules.

Updating the Control and Operation module - Software

Procedures for updating the software on the control and operation modules via PC or SD card.

Probe positions / Probe assembly and replacing

Guidance on correctly fitting, assembling, and replacing various probes within the unit.

Motor / Fan Wheel installation and removal

Procedures for installing and removing the motor and fan wheel, including special tools and safety.

Pressure Switch Cleaning System - Trouble Shooting

Troubleshooting guide for the pressure switch cleaning system, covering detection and adjustment.

Safety Advice

Hazardous

Warnings and precautions related to hazardous situations like explosion, electric shock, and burns.

Safety Advice for Service work

Attention – Lifting or sliding unit

Safety precautions and weight information when lifting or moving the unit.

Attention – Working in the connection area of the unit

Safety guidelines for working on the unit's electrical connections.

Attention – working on the unit's gas system

Safety instructions for working on the gas system, including leak checks.

Basic settings (parallel to cooking programmes)

2.3.1a Standby mode for units with steam generator

Explanation of the standby mode for units equipped with a steam generator.

2.3.2 Outgoing water cooling

Details on the outgoing water cooling process and related components.

2.3.3 Demoisturizing in a Closed System (Crisp & Tasty)

Explanation of the demoisturizing process in a closed system for Crisp & Tasty cooking programmes.

2.3.4 Steam generator draining and rinsing

Basic Settings

2.3.5 Automatic Cleaning (optional)

Safety settings (parallel to cooking programmes)

2.4.1 Door safety switch and Motor break

2.4.2 Electronic safety switches

2.4.3 Electrical safety switches

Functioning of the cooking programmes

2.5.1a Steaming at 100°C in units with steam generator (OEB/OGB)

2.5.2a Steaming under 100°C in units with steam generator (OEB/OGB)

2.5.3a Superheated Steam and Steaming over 100°C in units with steam generator (OEB/OGB)

2.5.4a Convection in units with steam generator (OEB/OGB)

2.5.5a Regeneration in units with steam generator (OEB/OGB)

2.5.6 Delta-T cooking

2.5.7 Cook & Hold

2.5.1b Steaming at 100°C in units with direct injection (OES/OGS)

2.5.2b Steaming under 100°C in units with direct injection (OES/OGS)

2.5.3b Superheated Steam and Steam over 100°C in units with direct injection (OES/OGS)

2.5.4b Convection in units with direct injection (OES/OGS)

2.5.5b Regeneration in units with direct injection (OES/OGS)

Error messages

Emergency programmes

"easy Touch" - Basic settings service level

3.6.1 How to get to the basic settings service level

How to work with the diagnosis system in the service programme

Cleaning the Unit

4.3.1 Cleaning the oven

Half-automatic oven cleaning

Automatic Cleaning system CONVOClean system (Option)

CONVOTHERM Descaling

4.4.1 Oven descaling in units with direct injection (OES / OGS)

4.4.2 Steam generator cleaning and descaling (only in OEB and OGB)

4.4.3 Descaling unit parts

Yearly Maintenance recommendations

4.6.1 Installation check

4.6.3 Checking the electrical parts

4.6.4 Check and Visual check

4.6.5 Checking the gas technical parts

Installation Check

Installation

Installation Checklist

4.7.1 Installation inspection

Detailed inspection points for installation, covering electrical, water, and gas connections.

4.7.2 User Introduction and Operation start up

Key safety and function points to inform the user about before operation.

Troubleshooting list and error messages - Electronics

5.1 Error messages

List of error messages for electronic components, with possible causes and remedies.

Easy Touch Electronics

Troubleshoot using the LEDs on the controllers

Electronic Control Board installation

6.1.1 Operation module (BM) replacement

6.1.2 Control Module (SM) replacement

6.1.3 Arrangement module replacement

6.1.4 Gas module (GM) removal

Position of the LEDs on the Controls (module self-checking)

Update of software for EasyTouch control ST7000

6.2.1 Software Versions

6.3.1 Update of the operating module (automatic) from version 1.3.0.0 onwards

Software Update via PC / Laptop

Software update via “+3 SD Card Black Box”

6.3.1 Preparation for programming

6.3.2 Sequence of the update procedure

Manually updating the operating module up to software version 1.3.0.0 (old version)

Updating the control module for software version 1.3.0.0

Steam Generator drain pump (only OEB and OGB)

Probe fitting / Probe assembly and replacing

6.5.1 Safety thermostat above unit ceiling on table units

Safety thermostat behind the motor fastening on standing units

Probe with stuffing box assembly B10 (CTC)

Safety thermostat probe N8 on flange immersion heater

Double safety thermostats B8 and B7.2 in gas units with blower burner

Screw in probes B3, B4, B5 and oven probe B6

Water Level probe

Steam Generator-Immersion heater replacement (only OEB)

Motor / Fan Wheel installation and removal

Pressure Switch Cleaning System - Trouble Shooting

Condenser removal and installation

Door latch / Door contact switch removal and installation

Inner and outer door replacement

6.17.1 Replacing the inner door on table units

6.17.2 Replacing the inner door on standing units

6.17.3 Replacing outer door on table and standing units

Convection Heater removal and replacement

Removing and replacing the Convection heat exchanger

Removing and replacing the burners

Readjusting the Gas valves

Step by Step - Instructions

Step 1: Check air panel

Step 2: Check gas panel and possible replacement according to the desired gas type.

Step 6: Adjust MIN / MAX and START speed

Step 8: Adjust MIN Speed

Step 9: Start burner and measure gas exhaust values at MIN speed

Step 10: Adjust burner (if necessary)

Step 11: Readjust MAX speed

Step 12: Start burner and check gas exhaust values at MAX speed

Disappearing Door Replacement / Adjustment / Spare Part Replacement

6.30.1 Disappearing door adjustment

Roller replacement

Troubleshooting list and error messages - OEB/OES/OGB/OGS electronics

Disassembling and assembling the control electronics - OEB/OES/OGB/OGS (later available)

Troubleshooting options for the SAWI frequency converter of single-phase appliances

Trouble shooting options for the ALTIVAR frequency converter

Fan malfunction

No gas

No water supply in the steam generator

No steam supply in the programmes with steam and hot air

Water or foam sprays out of the steam outlet aperture in the inner chamber

Constant water supply in the condenser

Water sprays out of air outlet pipe (roof of appliance)

Steam generator is no long switching off

Troubleshooting options for the frequency converter of single-phase appliances

Disassembling and assembling the control electronics

6.1.1 Replacing operating module (OM) ST5020

6.1.2 Replacing operating module (OM) ST7000

6.1.3 Replacing control module (CM) ST5010

6.1.4 Replacing supply module (SM)

Position of the LEDs on the Controls (module self test)