Alarms; Section 4 Alarms - Thermo Scientific 370 Operating And Maintenance Manual

Table 4-1. Alarm and Description
Description
No alarm condition exists
Temp > Otemp Set point
Air Temp Sensor Fault
Temperature Controller Failure
CO2 Sensor Fault
Replace HEPA filter reminder-set time expired
(See Section 3)
Inner Door is Open
CO2 is higher than CO2 High Tracking Alarm
CO2 is lower than CO2 Low Tracking Alarm
TEMP is lower TEMP Low Tracking Alarm
RH is lower than RH Low Limit Alarm (RH option)
Tank 1 is low, switch to Tank 2 (Gas Guard only)
Tank 2 is low, switch to Tank 1 (Gas Guard only)
Both tanks are low (Gas Guard only)
- All alarm delays and ringback times are ±30 seconds -
Thermo Fisher Scientific

Alarms

Section 4
The Model 370/380 Series incubator alarm system is shown in the table
below. When an alarm is active, the message appears in the LED message
center. Pressing Silence disables the audible alarm for the ringback period.
However, the visual alarm continues until the incubator returns to a
normal condition. The alarms are momentary alarms only. When an alarm
condition occurs and then returns to normal, the incubator automatically
clears the alarm condition and the message center.
Message
SYSTEM OK or CLASS 100
SYS IN OTEMP
AIR SNSR ERR
TMP CTRL ERR
CO2 SNSR ERR
REPLACE HEPA
DOOR OPEN
CO2 IS HIGH
CO2 IS LOW
TEMP IS LOW
RH IS LOW
TANK1 LOW
TANK2 LOW
TANK 1 and 2 LOW
When multiple alarm conditions occur, active messages are displayed in the
message center one at a time, updating at 5 second intervals. Pressing
Silence during multiple alarms causes all active alarms to be silenced and to
ring back in 15 minutes.
The TEMP IS LOW alarm is disabled when the Temp set point is 10°C.
The CO alarms are disabled when the CO
2
Delay Ringback
----- -----
0 min. 15 min.
0 min. 15 min.
0 min. 15 min.
0 min. 15 min.
0 min. -----
15 min. 15 min.
15 min. 15 min.
15 min. 15 min.
15 min. 15 min.
30 min. 30 min.
0 min. ----
0 min. ----
0 min. 15 min.
set point is 0.0%.
2
Steri-Cycle CO
Relay
-----
Yes
No
YES
No
No
No
Programmable
Programmable
Programmable
Programmable
No
No
No
Incubator 4-1
2