ESPEC EHS-221 - To Monitor Alarm Log

Chapter 3 Commands
■To Monitor Alarm Log
Table 3.21 Alarm log monitor command
Monitor command
Address
Main
command
Optional
parameter
Description/Example command/Response format/Example
response
＜
Description
＞
This command requests the chamber to return the number of
alarms occurred and those alarms codes.
＜
Example command
＞
“1,ALARM?”
＜
Response format
＞
“number of alarms occurred,alarm code … (number of alarms
occurred, …)”
1 to 16 ALARM?
−
＜
Example response
＞
“2,1,2 …”
Alarm codes
1: Test area overheating (TC-1 Overheat protector, TE-1 Test
area temperature)
2: Humidifying heater boil-dry (TC-2 Boil-dry protector, TE-2
Humidifying water temperature)

3: Test area temperature sensor burn-out
4: Humidifying water temperature sensor burn-out
5: Wet-bulb temperature sensor burn-out
6: Exhaust temperature sensor burn-out
7: Temperature offset sensor burn-out
8: Overpressure
9: Test area air circulator trouble
10: Wick alarm
11: Temperature monitor circuit trouble (PC-03 A/D converter
related)
12: Test area overheat protection (TE-1 Test area temperature)
high limit trip +10
℃
13: Humidifying water overheat protection (TE-2 Humidifying
water temperature) high limit trip +10
℃
14: Emergency stop
15: Power outage alarm
16: Door open alarm during chamber operation
17: Door lock/unlock control trouble
18: Air pressure switch (PS2) trouble
19: Water supply trouble
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