PT-TX400, PT-TX310, PT-TW340, PT-TX210, PT-TW250 (serv.man3) - Panasonic Projector Service Manual (repair manual). Page 66

This projector provides the error history log function. To 
check the logs, you need to enter the service mode and 
select Group No. "220" and item No. "0" to "49". The error 
code is displayed on the data column. The description of 
the error code is listed on the table below.
* How to enter the service mode and select the group, item 
and data value, see "Electrical Adjustment".

1. Enter the Service Mode, and select Group No. "220" and Item No. "50".
2 The history log will be reset when the data value is set to "10". The value automatically returns to "0".

Group

No.

Item

No.

Data
(Error code)

220

0
1
2
3

:
:

49

1001 

← Latest error code

1002
2000
2001
  :
  :
2201

0

Normal

Power error

1000

Main Power supply error

1001

FAN A/B Power supply error  (F3001/F3002/F3003/F3004)

1002

FAN C Power supply error (F3005)

1003

IRIS Power supply error

Power management error

1100

Shutdown on Power management (Depending on the setting)

External temp error

2000

Intake temperature error. Detects error on Intake temp sensor

2001

Intake temperature error. Detects abnormal value on Intake temp sensor

Internal temp A error

2100

Internal temperature error. Detects error on temp sensor A

2101

Internal temperature error. Detects abnormal value on Iemp sensor A

Internal temp B error

2200

Internal temperature error. Detects error on temp sensor B

2201

Internal temperature error. Detects abnormal value on temp sensor B

Lamp error

3000

Lamp on failure

3100

Lamp usage time is over