Estun E21 - Input Diagnosis

E21 Installation Manual
22
Chapter 4 Diagnosis
When diagnosis is in progress, do not start oil pump.
4.1 Enter diagnosis page
This system provides diagnosis tests for input, output, keyboard, FRAM, encoder and
LCD, etc. Steps to enter diagnosis page are as follows:
Step 1 Power on, the device displays the single-step programming page, Stop Indicator lights.
Step 2 Press twice to enter programming constant page, input password 5656, press
to enter diagnosis page, as shown in Figure 4-1.
1. IN DIAG.
2. OUT DIAG.
DIAGNOSE
3. KEY DIAG.
4. FRAM DIAG.
5. Enc. DIAG.
6. LCD DIAG.
Figure 4-1 Diagnosis page
4.2 Input diagnosis
When you enter the DIAGNOSE page, select 1. IN DIAG. to enter IN DIAG. page, as
shown in Figure 4-2.
[Operation Guide] Switching the relay, the device will receive the input signal, and the
corresponding port icon will light, which indicates that this input port is normal.
ST.
IN DIAG.
X-R
PRE
Y-R
RDY
CNT
Figure 4-2 Input diagnosis page