780RELN IM Final
TROUBLESHOOTING TIPS
PROBLEM | CAUSES AND SOLUTIONS | |
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No power. | Replace all four batteries. | |
No display appears on the unit. | Check the battery installation | |
| for proper placement of the | |
| battery polarities. | |
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| |
| Blood pressure varies constantly. | |
| Many factors including stress, time | |
Measurement values appear | of day, how you wrap the cuff, | |
may affect your blood pressure. | ||
too high or too low. | ||
Review the sections “Before Taking | ||
| ||
| a Measurement” and “Taking | |
| a Measurement”. | |
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