Engel MT45F-U1D-P Service Manual

6. CHECK POINT ＆ CHECK METHOD
【Check 4】 Resistance of Thermistor. （Fig.4)
＜EVA.Thermistor resistance measurement＞
(at25℃ ～ -16℃)
Test result
2 kΩ - 10 kΩ ※１
0Ω
∞Ω
※1 The resistance increases when the thermistor body is cold.
＜Internal thermistor resistance measurement＞ (Combi type only)
(at25℃ ～ -16℃)
Test result
2 kΩ - 10 kΩ ※１
0Ω
∞Ω
※1 The resistance increases when the thermistor body is cold.
【Check 5】 Output DC voltage measurement from control assembly to power supply
Power supply used Test result Judge
DC12V DC11-14V
DC24V DC23-26V
AC100V
DC39-41V
【Check 6】 Output DC voltage measurement from power supply to control assembly
Power supply used Test result Judge
DC12V DC11-14V
DC24V DC23-26V
AC100V
DC39-41V
Thermistor disconnection (error display E-09)
14
Normal
Remove the power supply 6P coupler and
measure the DC voltage between the black (-)
wiring section and the red (+) wiring section on
the power supply side 6P coupler section (Fig.
7)
Normal
Remove the EVA / thermistor coupler (white) and measure the
resistance between the terminals. (Fig4)
Thermistor short (Error display E-05)
Normal
Judge
Thermistor disconnection (error display E-06)
DC voltage is measured between the black (-) terminal and
the orange (+) terminal of the power supply 6P coupler (Fig.
6)
Remove the coupler (black) of the internal fan thermistor
and measure the resistance between the terminals. (Fig5)
Judge
Normal
Thermistor short (Error display E-08)
Fig.5
Fig.4
Fig.6
Orange(＋)Black(－)
Black
(－)
Red
(＋)
Fig.7
Black
Black
Black
Black
Blue

Engel MT45F-U1D-P Specifications

General

Brand	Engel
Model	MT45F-U1D-P
Category	Refrigerator
Language	English