Database updated: 27 October 2026
Safety Information
Medsafe Online Recall Database
Detail of Recall
| Type of Product: | Device |
| Medsafe Reference: | 14531 |
| Brand Name: | Philips HeartStart MRx Monitor/Defibrillator |
| Model: | Models: M3535A, M3536A, M3536J, M3536M, M3536MC, M3536M2, M3536M4, M3536M5, M3536M6 |
| Affected: | Serial numbers within the range US00100100 to US00565942 |
| Software version: | |
| Recalling Organisation: | Philips New Zealand Commercial Limited Level 3 123 Carlton Gore Road Newmarket AUCKLAND 1023 |
| Contact Information: | 0800 251 400 |
| Manufacturer: | Philips Medical Systems |
| Issue: | The Philips HeartStart MRx Monitor/Defibrillator may fail to deliver defibrillation therapy in either Manual Defib or AED mode. If this occurs, the MRx may simultaneously display a "No Shock Delivered" message along with a "Shock Equip Malfunction" INOP and a Red X in the RFU indicator. In addition, the pads ECG waveform may display a non-physiologic flat line rhythm. |
| Recall action type: | Correction |
| Recall action: | Software to be upgraded |
| Level of recall: | Hospital/Pharmacy/Laboratory |
| Date Commenced: | 24/4/2013 |





