CSZ MICRO-TEMP LT 749 - Field Repair and Service Introduction; Accessing Internal Components; Access to the Interior

FIELD REPAIR/SERVICE MICRO-TEMP
®
LT, Model 749
OPERATION AND TECHNICAL MANUAL
Page 42 of 75
Complete the applicable parts of the First Time Set-Up/System Test Routine described in
Section (2-3) to determine that the unit is operating.
5-1. INTRODUCTION
This section describes the repair and service tasks that qualified maintenance personnel can
complete in the field if a problem should occur. These tasks include servicing any of the following:
1. Membrane Control Panel
2. Heater
3. Control board
4. Display board
5. I/O Power Switch
6. Pump
7. Water Level Sensor
8. Water Temperature Sensor
The description of each task includes the tools, the procedures, and the precautions necessary to
complete the task. Maintenance, repair, and/or service of the MICRO-TEMP
®
LT by qualified
maintenance/technical personnel will not void the warranty of the unit.
The following are required tools necessary for part repair/service:
 #2 Phillips Screw Driver / Cordless Drill with Phillips Tip
 Hex Head Screw Driver
 Flat Head Screw Driver
 Pointed Nose Pliers
 Assorted Nut Driver Set
 Pin Pusher
 3 mm Hex Key (Allen) Wrench
Figures (5-1), (6-1), (6-3), and (6-5) highlight the interior components of the MICRO-TEMP
®
LT unit.
The internal components referenced in Figure (5-1) are as follows:
A. Water Temperature Sensor
B. Heater
C. Water Level Sensor
D. Reservoir
E. Heater Mounting Plate
F. Control Board
G. Display Board
If any part that is removed from the unit is still under warranty, return it to the factory as described in
Section (6-4). If it is not under warranty, dispose of the part as required.