Wash; Details Of Wash Processing - Hitachi 902 Service Manual

3.4

WASH

3.4.1 Details of WASH Processing

START
Maintenance
screen
Unnecessary
WASH necessary?
Necessary
"Execution" input
WASH
"STOP" input
Operation check
Normal
END
Step No.
1) Start from MAINTENANCE screen
2) See next page
3) When mechanism operates, its operation is checked. If abnormal,
alarm is indicated.
4)
Alarm will be saved into the alarm FD.
Remarks: (1) Start method and resulting action
(a) Specify DAILY.
All cells, probes (S and R), stirrer and ISE mechanism are washed.
(b) Specify reaction cell.
(c) Specify ISE.
The ISE mechanism is washed.
NOTE: Specification of ISE for WASH
when without ISE mechanism ...............Input cannot be made from the screen.
Specification of all mechanisms
when without ISE mechanism ...............Operation is carried out according to "cell"
specification.
1)
Operator's
Function
judgment
Necessary :
2)
Made
Abnormal
Alarm indication
4)
FD (alarm logging)
Contents of Processing
3 - 4
: Washing of each mechanism
WASH (cell) 15 min 20 sec
WASH (ISE) 5 min 44 sec
WASH (All) 20 min 20 sec
3)
Screen specifications
Screen specifications
Alarm code table
FD specifications
Reference Document