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Thermo King SL-400e User Manual

Thermo King SL-400e
344 pages
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Revision D
July 2020
TTKK 5566448877--22--OODD--EENN
Trailer and Rail Edition
SR-3 Control System
Single Temperature Units
SL-400e, SLX Series, SLXe Series, SLXi Series
Diagnostic Manual

Table of Contents

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Thermo King SL-400e Specifications

General IconGeneral
BrandThermo King
ModelSL-400e
CategoryControl Systems
LanguageEnglish

Summary

Section 1 - Safety Information

Electrical Safety

Details high and low voltage hazards, capacitor safety, ESD precautions, and battery handling.

Section 2 - Hardware Description

HMI Control Panel

Describes the HMI Control Panel, its display, hard and soft keys, and operation.

SR-3 Base Controller

Details the Base Controller's heart, mounting, hardware/software versions, and operation.

Refrigeration Control Components

Lists and describes components like pressure transducers, solenoids, and ETV.

Section 3 - Software Description

Key Programmable Features

Covers essential features like temperature units, restart, setpoints, fuel saver, and door open settings.

OptiSet Plus Features

Describes the OptiSet Plus Temperature Management System for tailored profiles.

Section 4 - Operation

HMI Control Panel Overview

Explains the HMI Control Panel's display, icons, hard keys, and soft keys.

Turning Unit On and Off

Details the procedures for powering the unit on and off using the HMI.

Changing the Setpoint

Guides on how to adjust numerical and named product setpoints.

Flash Drive Operations

Details inserting, accessing, downloading, and flashing files via USB.

Alarms

Explains how to view, clear, and interpret various alarm types.

Service Test and Interface Board Tests

Describes how to use test modes for diagnosing unit components and circuits.

Guarded Access Menu Usage

Details how to access and change programmable features and settings.

Section 5 - Diagnostics

Key Alarm Code Diagnostics

Detailed troubleshooting for critical alarms related to sensors, engine, and circuits.

Sensor System Diagnostics

Covers alarms related to evaporator coil, return air, discharge air, ambient, coolant, and calibration.

Engine System Diagnostics

Addresses alarms for coolant temperature, RPM sensor, oil pressure, and engine start failures.

Refrigeration System Diagnostics

Covers alarms for evaporator temperature, discharge pressure, cooling/heating cycles, and capacity.

Electrical System Diagnostics

Details alarms for alternator, electric motor, battery voltage, and electric heat circuits.

Section 6 - Service Procedures

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