Technical Manual

Error Resolution
Error Type A - No Power Supply
12
5 Error Resolution
If your physician contacts you because device messages are not being received but your
CardioMessenger was ready for use during the period in question, you should remove possible sources
of electromagnetic disturbance from the immediate vicinity of the CardioMessenger.
Possible sources of electromagnetic disturbance can be communication devices such as wireless home
network equipment, cellular phones, cordless phones, and their base stations.
According to the standard IEC60601-1-2: 2014 a distance of 0.3m is recommended (for further details
see: Appendix [Page25]).
Malfunctions on the CardioMessenger are indicated by the icons.
Symbol Behavior Operational status
Off Error type A: No power supply
Flashing Error type B: Self-test failed
Flashing Error type C: No mobile connection
Error Type A - No Power Supply
The operation icon is not displayed, that is, the CardioMessenger is not ready for use.
Make sure that
• the micro USB plug is properly inserted into the CardioMessenger,
• the power plug is properly inserted into the wall outlet,
• the outlet provides an electrical current, for example by temporarily connecting the bedside lamp
to the outlet and turning the lamp on.
If you do not find any errors, contact your physician.