Upon arrival Customer stated system completely froze the day before. During evaluation started system and ecm Fan motor never started, coils began to freeze. Ecm Blower motor has Fan and intermittently starts and stops. Ecm Blower motor needs to be ordered ECM BLOWER MOTOR NEEDS TO BE ORDERED MOBILE HOME AIRHANDLER MODEL - E7EM-015H1 SERIAL - E7G2104052914