11.2. FAULT DIAGNOSIS WITH WARNING MESSAGES

TROUBLESHOOTING & REPAIR

M300EU

 

Addendum to M300E/EM Manual P/N 04288

11.2. FAULT DIAGNOSIS WITH WARNING MESSAGES

The following Table replaces Table 11-1; of the M300E/EM Operators Manual.

 

Table 11-1:

Warning Messages - Indicated Failures

 

 

 

 

WARNING

FAULT CONDITION

POSSIBLE CAUSES

MESSAGE

 

 

 

 

 

 

Bad bench heater

BENCH TEMP

The optical bench temp is

Bad bench temperature sensor

Bad relay controlling the bench heater

WARNING

controlled at 48 ± 2 °C.

 

 

 

Entire relay board is malfunctioning

 

 

 

I2C buss malfunction

 

 

 

NOTE: For M300EU‘s operating for at least 2 hours, the box

 

 

 

temperature typically should be the same as the oven

 

 

 

temperature (46ºC).

 

 

 

Stopped motherboard stabilization fan

BOX TEMP

Box Temp is

Stopped oven heater fan (there are two)

Failed oven heater (s)

WARNING

< 5 °C or > 48 °C.

 

 

 

Failed oven fan(s)

 

 

 

Failed oven temperature sensor

 

 

 

Failed relay controlling the one of the oven heaters

 

 

 

Failed relay board

 

 

 

I2C buss

CANNOT DYN

Dynamic Span operation failed

Measured concentration value is too high or low.

SPAN

Concentration slope value to high or too low

 

 

CANNOT DYN

Dynamic Zero operation failed

Measured concentration value is too high.

ZERO

Concentration offset value to high.

 

 

CONFIG

Configuration and Calibration data

Failed disk on chip

INITIALIZED

reset to original Factory state.

User erased data

DATA INITIALIZED

Data Storage in iDAS was erased

Failed disk on chip

User cleared data

 

 

 

 

 

 

 

 

 

 

Warning only appears on serial I/O com port(s)

FRONT PANEL

The CPU is unable to

Front panel display will be frozen, blank or will not respond.

Communicate with the Front Panel

Failed keyboard

WARN

Display /Keyboard

I2C buss failure

 

 

 

Loose connector/wiring

 

 

 

Failed IR photo-detector

PHOTO TEMP

PHT DRIVE is

Failed sync/demod board

WARNING

>4800 mVDC

IR photo-detector improperly attached to the sample chamber

 

 

 

Bench temp too high.

 

 

 

Oven temperature outside of specified range

 

The temperature of the insulated

Failed oven heater (s)

OVEN TEMP

Failed oven fan(s)

convection oven area of the

Failed oven temperature sensor

WARNING

analyzer is outside of the specified

Relay controlling the one of the oven heater

 

limits.

 

 

 

Failed relay board

 

 

 

 

 

 

I2C buss

REAR BOARD NOT

Mother Board not detected on

Warning only appears on serial I/O com port(s)

power up.

 

Front panel display will be frozen, blank or will not respond.

DET

 

 

 

Massive failure of mother board

 

 

 

RELAY BOARD

The CPU cannot communicate with

I2C buss failure

Failed relay board

WARN

the Relay Board.

Loose connectors/wiring

 

 

 

(Table continued on next page)

60

05514 Rev A1

Page 68
Image 68
Teledyne Model 300EU manual Fault Diagnosis With Warning Messages, M300EU, Warning Messages - Indicated Failures, Oven Temp