Hi5 controllermaintenanceHi5 Troubleshooting Manual1. Troubleshooting1.1. Troubleshooting Solution1.1.7. E0033 AMP under-voltageerrorOn this page1.1.7. E0033 AMP under-voltageerror1.1.7. E0033 AMP under-voltageerror 1.1.7.1. Outline1.1.7.2. Causes and examine methods