STIHLER ELECTRONIC ASTOTHERM plus - Overheating Alarm

ASTOTHERM PLUS Instructions for Use
10 Alarms and troubleshooting
32
10.2 Overheating alarm
Control panel
Device response
 The display shows the current temperature ,
which drops slowly after the alarm was activated.
 The selection frame flashes.
 The green “On” LED lights.
 The “Start” LED flashes green.
 The “Alarm” LED lights yellow.
 The acoustic alarm signal sounds every 17 seconds.
 The heating element is switched off.
Alarm condition
The temperature of the heat exchanger rises to the alarm
limit of 45.5C  1.0C.
Possible reason(s)
►Required
action(s)
Effect of external heat source, such as sunlight or radiator.
►Eliminate the heat source and/or select cooler location.
Ambient temperature too high.
►Eliminate heat source and/or select cooler location.
Warmer is defective.
►Return ASTOTHERM PLUS to local sales office.
Possible actions to
clear
Press the “Start” button to switch the device back to
Heating Mode (after cooling down).
Press the “Standby” button to switch the device to
Standby Mode.
 As long as the actual temperature is above the alarm
limit, the warmer cannot be switched to the Heating
Mode.
 In order to prevent potential overheating due to a
possible failure of the temperature control system, the
ASTOTHERM PLUS possesses two independent
excessive temperature cut offs.
8
9
10
3
5
11
4
2
9
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